College of Agriculture & Natural Resources Department of Plant, Soil and Microbial Sciences

Research Interest:

Dr. Nikolai is known worldwide as the Doctor of Green Speed due to his research interest focusing upon golf course putting green mechanical and cultural practices that increase turfgrass heath and customer satisfaction.

Dr. Nikolai's CV

Courses taught:

• AT 102 Turf & Landscape Analytical Practices
• CSS 178 Turfgrass Irrigation
• CSS 143 Introduction to Soils
• CSS 326 Weed Science

Websites of Interest:

• MSU Turf Blog

Publications (Grouped by type): 

Books:

1. Nikolai, T. A.  2005.  The Superintendent’s Guide to Controlling Putting Green Speed  John Wiley & Sons, Inc.  Hoboken, N.J.

Refereed Publications:

1. Xiao, M., K.W. Frank, and T.A. Nikolai. Foliear and granular fertilizer effects on creeping bentgrass quality and soil nutrient levels.  2018. Crop, Forage, and Turfgrass Management. doi: 10.2134/cftm 2018.050039
   
2. Yurisic, Cory A.; Sorochan, John C.; Nikolai, Thomas A.; Hathaway, Aaron. 2016. Effects of behind center distance on creeping bentgrass (Agrostis stolonifera L.) putting greens. Crop, Forage and Turfgrass Management. February 5. 2(1): p. 1-3.
3. Giordano, Paul R.; Johnson, Colin; Richards, Jacob S.; Richardson, Michael D.; Karcher, Douglas E.; Vargas, Joseph M. Jr.; Nikolai, Thomas A. 2013. Investigating lightweight rolling thresholds for putting green quality and performance.  International Turfgrass Society Research Journal. 12: p. 157-162.
4. Giordano, Paul R.; Nikolai, Thomas A.; Hammerschmidt, Ray; Vargas, Joseph M. Jr. 2012. Timing and frequency effects of lightweight rolling on dollar spot disease in creeping bentgrass putting greens.  Crop Science. May. 52(3): p. 1371-1378.
5. Richards, Jacobs.; Karcher, Douglas E.; Nikolai, Thomas A.; Henderson, Jason J.; Sorochan, John C        2009. A comparison of two devices used to measure golf course putting green speed.  Applied Turfgrass Science. July 24. p. [1-7].
6. Nikolai, T. A., Karcher, D. E., and Sorochan, J. C. 2005. Professional golfers conclude that spike
7. design affects putting green quality. Online. Applied Turfgrass Science oi:10.1094/ATS-2005-1127-01-BR.
8. Hathaway, A. D., and T. A. Nikolai. 2005. A putting green traffic methodology for research applications established by in situ modeling. Int. Turfgrass Soc. Annexe - Tech. Pap. 10:p. 69-70.
9. Nikolai, T.A., P.E. Rieke, J.N. Rogers, III, and J.M. Vargas, Jr.  2001.  Turfgrass and soil responses to lightweight rolling on putting green root zone mixes.  International Turfgrass Society Research Journal.  9(2): 604-609.  
10. Leinauer, B., T.A. Nikolai, and D.E. Karcher. 1999.  Alternativspikes – eine alternative?  Greenkeepers Journal.  30(1): 20-21.

Trade Journals:

1. Nikolai, Thomas A.; Karcher, Douglas. 2016.  The impact of putting green management on visible wear caused by golf cleat/sole designs.  Turfgrass and Environmental Research Program: 2016 Research Summaries. P. 247-249.
2. Nikolai, Thomas A.; Hathaway, Aaron; Fabbo, Joe; Wait, D. J.; Motley, Isaac. 2015. Mechanical methods to reduce disease incidence and encourage plant health.  The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 12-13.
3. Hathaway, Aaron; Nikolai, Thomas A.; Frank, Kevin W. 2015.  Herbicide programs for managing naturalized rough areas and herbicide programs for controlling Poa annua.  The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 13-15. 
4. Hathaway, Aaron; Nikolai, Thomas A. 2015.   Comparing sprayer technology and herbicide technology.  The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 19.
5. Nikolai, Thomas A. Top-10 redenen om te rollen: Doctor of green speed vertelt welke voordelen het lichtgewicht rollen van gras heeft 2015. Greenkeeper [The Netherlands]. 26(2): p. 38-39.
6. Nikolai, Thomas A. 2014. Ready to Roll. Golf Course Management. April. 82(4): p. 44-46, 48, 50, 52.
7. Nikolai, Thomas A.; Hathaway, Aaron; Binder, Nick; Fabbo, Joe; Lemanski, Michael. 2014. Weed control research with square one. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 17-18.
8. Nikolai, Thomas A.; Hathaway, Aaron; Binder, Nick; Fabbo, Joe; Lemanski, Michael. 2014. Preemergance crabgrass control study. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 18.
9. Nikolai, Thomas A.; Hathaway, Aaron; Binder, Nick; Fabbo, Joe; Lemanski, Michael. 2014. Defender (florasulam) research. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 19-20.
10. Nikolai, Thomas A.; Hathaway, Aaron; Binder, Nick; Fabbo, Joe; Lemanski, Michael. 2014. Pylex (topramezone) weed control trials. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 21-22.
11. Nikolai, Thomas A.; Hathaway, Aaron; Binder, Nick; Fabbo, Joe; Lemanski, Michael. 2014. Controlling annual bluegrass with herbicides, PGR’s, and cultural practices. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 23.
12. Nikolai, Thomas A.; Hathaway, Aaron; Binder, Nick; Fabbo, Joe; Lemanski, Michael. 2014. Xonerate research for annual bluegrass control in creeping bentgrass fairways. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 24.
13. Nikolai, T.A. 2013. The top ten reasons to lightweight roll. Greenkeeper International June 2013
14. Green, Thomas O.; Rogers, John N. III; Crum, James R.; Nikolai, Thomas A.; Vargas, Joseph M. Jr. 2014. Lightweight rolling and sandtopdressing enhance turfgrass quality by decreasing dollar spot infection. News Notes [Michigan Turfgrass Foundation]. Spring. 6(1): p. 25.
15. Hathaway, Aaron; Nikolai, Thomas A. 2013. Annual bluegrass control in a putting green with herbicide and nitrogen rate regimes. The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 11-12.
16. Lemanski, Mike; Binder, Nick; Fabbo, Joe; Nikolai, Thomas A. 2013. Behind Center Distance (BCD) bedknife study. The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 16-17.
17. Binder, Nick; Hathaway, Aaron; Nikolai, Thomas A. 2013. Postemergence crabgrass control. The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 25-26.
18. Hathaway, Aaron; Nikolai, Thomas A. 2013. A new weapon for controlling warm season grasses. The Michigan Turfgrass Foundation and Michigan State University Present: Turfgrass Field Day. p. 30.
19. Nikolai, Thomas A. 2013. On guard! Course Conditions. Fall. p. 30-31.
20. Frank, Kevin; Hathaway, Aaron; Nikolai, Thomas. 2013. Tips for seeding your lawn during summer. News Notes [Michigan Turfgrass Foundation]. Summer. 5(2): p. 22.
21. Green, Thomas O.; Rogers, John N. III; Crum, James R.; Nikolai, Thomas A.; Vargas, Joseph M. Jr. 2013. Lightweight rolling and sand topdress programs to decrease pesticide inputs and enhance turfgrass quality.  News Notes [Michigan Turfgrass Foundation]. Spring. 5(1): p. 14.
22. Nikolai, Thomas A. 2012. The top 10 reasons to lightweight roll putting greens. News Notes [Michigan Turfgrass Foundation]. Summer. 5(2): p. 9-12.
23. Nikolai, Thomas A. 2012. The top 10 changes that have impacted Michigan golf course management in the past 25 years. Course Conditions. Spring. p. 6-8.
24. Nikolai, Thomas A.; Tocco, Rodney V. Jr. 2012. 2011 MTF research summary I.: [Flint project]News Notes [Michigan Turfgrass Foundation]. Spring. 5(1): p. 12.
25. Nikolai, Thomas A.; Tocco, Rodney V. Jr. 2012. 2011 MTF research summary II.: Determining plant available water for sustainable water conservation with evapotranspiration replenishment regimes, wetting agents and cultural practices. News Notes [Michigan Turfgrass Foundation]. Spring. 5(1): p. 12-13.
26. Giordano, Paul R.; Vargas, Joseph M. Jr.; Nikolai, Thomas A.; Hammerschmidt, Ray. Why lightweight rolling decreases dollar spot. 2012. Golf Course Management. February. 80(2): p. 138-142.
27. Nikolai, Thomas A. 2012. Now that’s magic! Pitchcare. February/March. 41: p. 134-135.
28. Nikolai, Thomas A. 2011. Community matters…and MSU turfgrass is making a difference. News Notes (Michigan Turfgrass Foundation). Winter. 4(3): p. 14-15.
29. Nikolai, Thomas A. 2011. Lightweight rolling around the world: Lightweight rolling of greens has shown benefits in the U. S. and Sweden. Golf Course Management. December. 79(12): p. 82-86.
30. Nikolai, T. A. 2010. The Flint Project: An attempt to quantify the functional aspects of turfgrass. NewsNotes 3(2) 18-19.
31. Nikolai, T. A. 2009.  Historical perspective and the future use of a unique piece of real estate.  News Notes 2(2) 3-9.
32. Nikolai, Thomas A. 2009. Rock and rolling: this well-studied practice can help reduce dollar spot on greens, among other things. TurfGrass TRENDS. December. p. 55-57.
33. Nikolai, Thomas. 2009. Confessions of a yahoo lightweight rolling research (I hope Neil Young will remember...) North Carolina Turfgrass. September/October. p. 12-14.
34. Zarco Pérez, Plácido; Nikolai, Thomas A. 2009. Optimización del rulado para la velocidad de greenes ([Optimization of rolling for green speed])Greenkeepers. Enero. 30: p. 52-55.
35. Nikolai, Thomas A. 2008. Michigan State University Aquatrols surfactant studies 2007 MSU Turfgrass Research Reports. 3: p. [1-22].
36. Nikolai, Thomas A. 2008. I ain't been a written cuz I been a writing too much. Newsnotes (Michigan Turfgrass Foundation). Summer. 1(2): p. 4-5.
37. Nikolai, Thomas A. 2008. Confessions of a yahoo lightweight rolling researcher: I hope Neil Young will remember...Tennessee Turfgrass. October/November. p. 21-24.
38. Nikolai, Thomas A. 2008. Southern rock & lightweight rolling: I hope Neil Young will remember...Florida Turf Digest. July/August. 25(4): p. 10-14.
39. Nikolai, Thomas A. 2007. Turf research. 2007 Research Summaries. p. [8].
40. Nikolai, Thomas A. 2007. Turf research. Newsnotes (Michigan Turfgrass Foundation). Summer. p. 27.
41. Nikolai, Thomas A.; Throp, Trevor; Johnson, Colin. 2006. Mower maintenance studies. Michigan Turfgrass Field Day. p. 16.
42. Nikolai, Thomas A. 2006. Investigating green speed and superintendent perceptions. 2006 Turfgrass and Environmental Research Summary. p. 67.
43. Nikolai, T. A.  2005.  Taking control of green speeds.  Green Master.  40(4): 34-37.
44. Nikolai, T. A.  2005.  The need for speed.  Grounds Maintenance.  April: G2-G8
45. Nikolai, T. A.  2004.  Rollin’, rollin’, rollin’.  Golf Course Management.  72(4): 121-124.
46. Nikolai, T. A.  2003.  Tools of the trade: using the Stimpmeter for its intended purpose.  Grounds Maintenance.  October: G18- G21.
47. Nikolai, T. A.  2003.  PGA Touring Pros evaluate putting greens for spike damage.  USGA Greens Section Record.  41(5): 7-9.
48. Nikolai, T. A.  2003.  Superintendents investigate effect of mower type on green speed.  Golf Course Management.  71(9):86-88.
49. Nikolai, T. A.  PGA Tour Pros rate greens for spike damage.  New Zealand Turf Management Journal.  18(3):  21-23.
50. Nikolai, Thomas A.  2002.  More light on lightweight rolling: Research is shedding light on rolling as a season-long maintenance practice.  USGA Greens Section Record.  40(1): 9-12.
51. Karcher, D.E., T. A. Nikolai, and R.N. Calhoun.  2001.  Golfers’ perceptions of greens speeds vary.  Golf Course Management.  69(3): 57-60.
52. Nikolai, T.A., R.N. Calhoun, B.J. Horvath, K.W. Frank, and J.M. Vargas Jr.  2001. Spoon-            feeding with a twist.  Golf Course Management.  69(1): 51-54
53. Frank, K.W. and T.A. Nikolai.  2001.  Turfgrass soils and fertility research report 2000.  71st Ann. Mich. Turfgrass Conf. Proc.  30: 15-39.
54. Frank, K.W., D.M. Gilstrap, T.A. Nikolai, and P.E. Rieke.  2001.  Irrigation and fertility effects on three turfgrass species.  71st Ann. Mich. Turfgrass Conf. Proc.  30: 101-102. 
55. Karcher, D.E., T.A. Nikolai, and R.N. Calhoun.  2000.  Green speed: What do golfers know?  Australian Turfgrass Management.  2(4): 30-32.
56. Nikolai, T.A., J.N. Rogers III, D.E. Karcher, J. A. Hardy, and P.E. Rieke.  2000.  Grass
57. vs.concrete: Golf shoe traction: Where you stand on alternative spikes may depend on where you walk.  Golf Course Management.  68(6): 49-54
58. Gilstrap, D.M., T.A. Nikolai, P.E. Rieke, and O. Schabenberger.  2000.  Four-year nitrogen protocol study.  70th Ann. Mich. Turfgrass Conf. Proc.  29: 155-156.
59. Leinauer, B., P.E. Rieke, R.N. Calhoun, T.A. Nikolai, D.E. Karcher, and J.R. Crum. 2000. 
60. Effects of root zone material and depth on moisture retention problems in undulating USGA putting greens.  70th Ann. Mich. Turfgrass Conf. Proc.  29: 143-148.
61. Gilstrap, D.M., T.A. Nikolai, K. Amundsen, and O. Schabenberger.  2000.  How to enhance spring green-up with mowing.  70th Ann. Mich. Turfgrass Conf. Proc.  29: 71.
62. Nikolai, T.A., P.E. Rieke, D.E. Karcher, B. Leinauer, J. Makk, and J. Bristol.  2000.  Turfgrass cultural practices report. 70th Ann. Mich. Turfgrass Conf. Proc.  29: 36-48.
63. Rogers, J.N. III, P.E. Rieke , D.E. Karcher, T.A. Nikolai, and J. A. Hardy.  1999.  1998 traveling golf spike study.  Australian Turfgrass Management.  1(4): 18-21.
64. Nikolai, T.A. 1999.  The quest for traction in the alternative spike world.  A Patch of Green. Mid-summer: 7.
65. Rogers, J.N. III, D.E. Karcher, T.A. Nikolai, J. A. Hardy, and P.E. Rieke. 1999.  Greens, cleats interact in traveling study.  Golf Course Management.  67(6): 61-65.
66. Leinauer, B., T.A. Nikolai, and D.E. Karcher, O. Schabenberger, P.E. Rieke, and J.N. Rogers III.  Spike alternatives and a new possibility, calculation of subjective turf quality ratings.  Rasen-Turf-Gazon.  30(1): 17-21.
67. Leinauer, B R., P.E. Rieke, T.A. Nikolai, D.E. Karcher, J.R. Crum, R.M. Sallenave, and R.N. Calhoun. 1999.  The sloping green: Effect of rootzone material and depth on moisture retention in USGA putting greens. 69th Ann. Mich. Turfgrass Conf. Proc.  28: 148-152.
68. Rogers, J.N. III, D.E. Karcher, T.A. Nikolai, P.E. Rieke, O. Schabenberger, and J.A. Hardy.  Turfgrass research for high trafficked areas.  69th Ann. Mich. Turfgrass Conf. Proc.  28: 38-52.
69. Rieke, P.E., T.A. Nikolai, and D.E. Karcher. 1999.  Turfgrass soil management research-1998.  69th Ann. Mich. Turfgrass Conf. Proc.  28: 7-12.
70. Nikolai, T.A. and P.E. Rieke. 1998.  Golf spike alternative survey.  Through The Green.  September/October: 10, 34.
71. Nikolai, T.A. and P.E. Rieke,  1998.  8 mm metal spikes get failing marks.  Golf Course Management.  66 (2): 49-55. 
72. Nikolai T.A., P.E. Rieke, and N.T. McVay. 1998. Leaf mulch forum: Research and real world techniques.  68th Ann. Mich. Turfgrass Conf. Proc.  27: 66-68.
73. Rieke P.E, T.A. Nikolai, D.E. Karcher, and N.T. McVay. 1998. Turfgrass soil management research report-1997.  68th Ann. Mich. Turfgrass Conf. Proc.  27: 22-38.
74. Nikolai, T.A. and P.E. Rieke.  1997.  Troubles with tree leaves? Turfgrass to the rescue!  Golf Course Management 65 (8): 90-98.
75. Nikolai, T.A., P.E. Rieke, J.N. Rogers III, B.E. Leach, and M. Smucker.  1997.  Some pretty cool things about lightweight green rolling. 67th Ann. Mich. Turfgrass Conf. Proc. 26: 110-114.
76. Rieke P.E, T.A. Nikolai, B. Leach, M. Smucker, and D. Roth. 1997. Turfgrass soil management research report-1996.  67th Ann. Mich. Turfgrass Conf.  Proc.  26: 20-30.
77. Nikolai, T.A., P.E. Rieke, B.E. Branham, R.N. Calhoun, D.M. Roth and P.Grow. 1996. The effects of mulching tree leaves in Kentucky bluegrass.  66th Ann. Mich.  Turfgrass Conf. Proc.  25: 147-159.
78. Karcher, D.E., T.A. Nikolai, and P.E. Rieke. 1996.  The hydroject: not just an aerifier.  66th Ann. Mich. Turfgrass Conf. Proc.  25: 119-121.
79. Rieke P.E., T.A. Nikolai, M.A. Smucker, P.Grow, and D. M.  Roth.  1996. Turfgrass soil management research and other soils stuff.  66th Ann. Mich. Turfgrass Conf. Proc.  25: 17-27. 
80. Rieke P.E., T.A. Nikolai, D. Roth, C.E. Kome, and D. Karcher.  1995. Turfgrass soil management research report-1994. 65th Ann. Mich. Turfgrass Conf. Proc.  24: 3-13.
81. Nikolai, T.A., P.E. Rieke, B.E. Branham, D.W. Lickfeldt, and R.N. Calhoun. 1994.  Mulching tree leaves into Kentucky bluegrass turf - an update.  64th Ann. Mich. Turfgrass Conf. Proc.  23: 169-175.
82. Rieke P.E.,  T.A. Nikolai, L. Cunnington, and D. Roth.  1994. Turfgrass soil management research report-1993. 64th Ann. Mich. Turfgrass Conf. Proc. 23: 15-25.     
83. Rieke P.E., T.A. Nikolai, C. Miller, and T. Zimmerman.  1993. Turfgrass soil management research report. 63rd Ann. Mich. Turfgrass Conf. Proc.  22: 37-57. 
84. Rieke P.E., B.E. Branham, D.M. Lickfeldt, and  T.A. Nikolai. 1993. Effect of mulching tree leaves into turfgrass. 63rd Ann. Mich. Turfgrass Conf. Proc. 22: 245-251.     
85. Saffel, M.T.,  P.E. Rieke , and T.A. Nikolai. 1992. Using time domain reflectometry for irrigation.  62nd Ann. Mich. Turfgrass Conf. Proc.  21: 177-181.   
86. Rieke P.E., M.T. Saffel, J.A. Murphy , T.A. Nikolai, and C. Miller. 1992. Turfgrass soil management research report – 1991.  62nd Ann. Mich. Turfgrass Conf. Proc.  21: 7-28.  
87. Rogers, J.N., T.A. Nikolai, and J.A. Rea. 1992. The effect of plant growth regulators on putting green speed and quality.  62nd Ann. Mich. Turfgrass Conf. Proc.  21: 3-6. 

Abstracts:

1. Hathaway, Aaron; Frank, Kevin W.; Nikolai, Thomas A. 2017. ASA, CSSA and SSA International Annual Meetings. P. 107186
2. Hathaway, Aaron; Nikolai, Thomas A., Frank, Kevin W.  2016. Increasing both aesthetic value and playability in secondary roughs on golf courses.  ASA, CSSA, and SSSA International Annual Meetings [2016] p. 100865.
3. Green, Thomas Okada; Rogers, John N. III; Nikolai, Thomas A.; Vargas, Joseph M.; Crum, James R. 2013. A combination of lightweight rolling and sand topdressing programs to decrease pesticide inputs and enhance fairway turfgrass quality. ASA, CSSA and SSSA Annual Meetings [2013]. p. 81781.
4. Nikolai, Thomas; Koenig, John; Dwyer, Philip. 2012. Lawn fertilizer effects on tree leaf mulching. ASA, CSSA and SSSA Annual Meetings [2012]. p. 75183.
5. Tocco, Rodney V.; Nikolai, Thomas; Frank, Kevin; Steinke, Kurt; Vargas, Joseph Jr. 2012Sustainable water conservation through evapotranspiration replenishment regimes, with wetting agents and cultural practices.  ASA, CSSA and SSSA Annual Meetings [2012]. p. 71941.
6.  Johansen, Rachel; Benveniste, Elise; Gasteyer, Stephen; Nikolai, Thomas. Turfgrass as a catalyst for social sustainability in an urban setting 2012. ASA, CSSA and SSSA Annual Meetings [2012]. p. 75017. 
7. Xiao, Miyuan; Frank, Kevin; Nikolai, Thomas A. 2011. Multi-year effects of foliar and granular nitrogen fertilizers on creeping bentgrass tissue and soil nutrient concentrations. 2011 International Annual Meetings: [Abstracts][ASA-CSSA-SSSA]. p. 66091.
8. Xiao, Miyuan; Frank, Kevin; Nikolai, Thomas A. Multi-year effects of foliar and granular nitrogen fertilizers on creeping bentgrass quality, ball roll distance, and dollar spot and worm casting occurrences. 2011. 2011 International Annual Meetings: [Abstracts][ASA-CSSA-SSSA]. p. 66121.
9. Gioradno, P.R., J. Vargas, T.A. Nikolai, and R. Hammerschmidt. 2010.  Investingating mechanisms of dollar spot (Rusroemia floccosum syn. Sclerotinia homoeocarpa) reduction throught lightwight rolling on creeping bentgrass (Agrostis palustris) putting greens. 2010 International Annual Meetings p. 57654.
10. Xiao M., K.W. Frank, and T.A. Nikolai. 2010Nitrogen carrier effects on creeping bentgrass grown on three rootzones. 2010 International Annual Meetings p. 59767.
11. Leach, B. E., Frank, K. W., Crum, J. R., Nikolai, T. A., Calhoun, R. N. and Leinaur, B. R.  2002.  Understanding water relations in a sloped USGA putting green.  2002 Annual Meeting Abstracts.  94
12. Leach, B.E, Frank, K. W., Crum J. R., Leinaur, B. R. Nikolai, T. A., Rieke, P. E. and Calhoun, R. N.  2001.  Water relations in a variable depth rootzone USGA putting green.  2001 Annual Meeting Abstracts.  93
13. Leinauer, B., P.E. Rieke, J.R. Crum, T.A. Nikolai, and R.N. Calhoun.  1999.  Soil moisture retention in sloped USGA putting greens.  1999 Annual Meeting Abstracts.  91: 135.
14. Nikolai, T.A. and P.E. Rieke. 1999.  The role of turfgrass in leaf litter disposal.  1999 Annual Meeting Abstracts.  91: 132.
15. Karcher, D.E., O. Schabenberger, P.E. Rieke, T.A. Nikolai, and J.N. Rogers III. 1999.  Rating data: reporting results in a statistically valid manner.  1999 Annual Meeting Abstracts.  91: 131.
16. Nikolai, T.A., P.E. Rieke, and J.N. Rogers III. 1998.  Observations from putting greens constructed with three different root zone mixes.  1998 Annual Meeting Abstracts.  90:140.
17. Nikolai, T.A., P.E. Rieke, J.N. Rogers III, and J.M. Vargas. 1996.  Three soils and a lightweight greens roller.  1996 Annual Meeting Abstracts.  88: 148.
18. Nikolai, T. A. and P.E. Rieke.  1995. The effects of mulching tree leaves into Kentucky bluegrass.  1995 Annual meeting Abstracts.  87:
19. Saffel, M.T., P.E. Rieke, and T.A. Nikolai. 1992.  Turfgrass irrigation scheduling using time domain reflectometry.  Agronomy Abstracts.  84: 175.

International Presentations:

1. Smoothness, trueness, and the role of research.  August 22, 2018. The Leading Edge Series.  Castle Stuart Golf Links, Inverness, Scotland
2. Smoothness, trueness, and the role of research.  May 3, 2018. The Leading Edge Series. Le Golf National, Paris, France
3. The A, B, C,’s of golf course maintenance. September 13, 2017.  The Leading Edge Series.  Castle Stuart Golf Links, Inverness, Scotland.
4. A Potpourri of Cultural Golf Course Management Practices.  April 4, 2017.   Morris Building St. Andrews Links, St. Andrews Scotland
5. Revolution research at Michigan State University. January 16, 2017. Aquatrols / Farmura Education Day. Harrogate, England
6. The value of organic fertilizers in todays turf. January 16, 2017. Aquatrols / Farmura Education Day. Harrogate, England
7. The A, B, C’s of golf course maintenance. September 21,2016. The Leading Edge Series.  Castle Stuart Golf Links, Inverness, Scotland
8. Counterintuitive results: proving myself wrong time and again.  March 8, 2016.  Emirates Golf Club. Dubai, United Arab Emirates
9. The A, B, C’s of golf course maintenance.  March 6, 2016. The Leading Edge Desert Series. Emirates Golf Club. Dubai, United Arab Emirates
10. The A, B, C’s of golf course maintenance. January 20, 2016. The Ottawa Valley Turfgrass Association Winter Conference. Ottawa, Ontario, Canada
11. The top 10 reasons to roll Part II.  January 20, 2016. The Ottawa Valley Turfgrass Association Winter Conference. Ottawa, Ontario, Canada
12. The top 10 reasons to roll Part I. January 20, 2016. The Ottawa Valley Turfgrass Association Winter Conference. Ottawa, Ontario, Canada
13. The A, B, C’s of golf course maintenance. November 11, 2015.  Danish Greenkeepers Association. North Jutland, Denmark
14. The top 10 reasons to roll.  November 11, 2015.  Danish Greenkeepers Association. North Jutland, Denmark
15. The A, B, C’s of golf course maintenance. October 23, 2015. Austrian Greenkeepers Association Annual Conference 2015. Schladming, Styria, Austria
16. The top 10 reasons to roll.  October 22, 2015. Austrian Greenkeepers Association Annual Conference 2015. Schladming, Styria, Austria
17. Counterintuitive results: proving myself wrong time and again.  October 6, 2015.  Industry Education Event at Kuneticka Hora Golf Resort. Pardubice, Czech Republic
18. The A, B, C’s of golf course maintenance. October 1, 2015. The Leading Edge Series.  Castle Stuart Golf Links, Inverness, Scotland
19. Counterintuitive results: proving myself wrong time and again. September 30, 2015. The Leading Edge Series.  Castle Stuart Golf Links, Inverness, Scotland
20. Reestablishment Techniques & Research Following the Polar Vortex of 2013/14.  January 28-30, 2015 Ontario Golf Course Management Conference and TradeShow.  Niagara Falls, Ontario, Canada  
21. Golf Course Maintenance in the 21^st Century (Part 2).   October 29, 2014.  CIMB PGA Volunteer & Education Programme, Kuala Lumpur Golf & Country Club, Kuala Lumpur, Malaysia
22. Golf Course Maintenance in the 21^st Century (Part 1).   October 28, 2014.  CIMB PGA Volunteer & Education Programme, Kuala Lumpur Golf & Country Club, Kuala Lumpur, Malaysia
23. Green speeds: perceptions, reality, and what influences them. July 9, 2014. St. Andrews Golf Club, St. Andrews Scotland
24. Green speeds: perceptions, reality, and what influences them. July 9, 2014. Castle Stuart Golf Links, Inverness, Scotland
25. Are there benefits to rolling athletic fields?  February 18, 2014.  Vancouver, BC, Canada. 2014 Canadian International Turfgrass Conference & Trade Show
26. Green speed discussion. February 18, 2014.  Vancouver, BC, Canada. 2014 Canadian International Turfgrass Conference & Trade Show
27. Green speed management update. February 17, 2014.  Vancouver, BC, Canada. 2014 Canadian International Turfgrass Conference & Trade Show
28. Putting green management. June 30, 2013.  Jacobsen Educational Series.  Kings Island Country Club, Hanoi, Viet Nam.
29. Putting green management. June 28, 2013  Jacobsen Educational Series. Vietnam Golf and Country Club, Ho Chi Minh City, Viet Nam
30. The top 10 changes in golf course maintenance in the past 25 years. June 26, 2013. 29^th Australian Turfgrass Conference.  Twin Waters , Queensland, Australia     
31. Environmental stewardship in the green industry.  June 26, 2013. 29^thAustralian Turfgrass Conference.  Twin Waters, Queensland, Australia 
32. Balancing budgets, turfgrass health, and customer satisfaction.  June 24, 2013. 29^th Australian Turfgrass Conference.  Twin Waters, Queensland, Australia    
33. Balancing budgets, turfgrass health, and customer satisfaction.  June 19, 2013. Harewood Golf Club, Christchurch, New Zealand
34. Current research on achieving greenspeed uniformity. June 18, 2013. Claudelands Conference & Exhibition Centre.  New Zealand Turf Conference and Trade Show. Hamilton, New Zealand
35. Balancing budgets, turfgrass health, and customer satisfaction.  June 17, 2013.  Claudelands Conference & Exhibition Centre.  New Zealand Turf Conference and Trade Show. Hamilton, New Zealand
36. Speed kills: communication strategies for your members.  June 17, 2013.  Claudelands Conference & Exhibition Centre.  New Zealand Turf Conference and Trade Show. Hamilton, New Zealand
37. On the tee.  MGS Horticultural Inc. Education Day. March 19, 2013. Leamington, Ontario, Canada
38. The Ryder Cup Q & A Session. The BIGGA Turf Managers Exhibition.  January 22 2013. Harrogate, England
39. Managing for green speed. The BIGGA Turf Managers Exhibition.  January 22, 2013. Harrogate, England
40. 60 minutes of surfactants. The BIGGA Turf Managers Exhibition.  January 21, 2013. Harrogate, England
41. The top 10 reasons to lightweight roll. The BIGGA Turf Managers Exhibition. January 21, Harrogate, England
42. The A,B,C’s of putting green maintenance.  The BIGGA Turf Managers Exhibition.  January 20, Harrogate, England
43. Green speed and the law of diminishing returns. 20^th Annual German Grennkeeper Association (GVD) Conference. October 24-28, 2012. Kassel, Germany
44. Balancing budgets, turfgrass health, and customer satisfaction. Greenkeepers Association of Belgium Fall Seminar. October 23, 2012. Brussels, Belgium
45. Balancing budgets, turfgrass health, and customer satisfaction. Netherlands Greenkeepers Association Fall Seminar.  Amsterdam, Netherlands. October 22, 2012
46. Turfgrass and the environment. 2012 Ontario Golf Course Management Conference and Trade Show. January 18-20, 2012. Niagara Falls, Ontario, Canada 
47. Balancing budgets, turfgrass health, and customer satisfaction. November 10, 2011. Barclays Singapore Open  Sentosa Golf Course Staff Seminar. Singapore, Singapore.
48. Turfgrass and the Environment. 17^th Annual Golf Course Property Manager’s Conference, November 27-29, 2011.  Capri Center Red Deer, Alberta, Canada.
49. The A, B, Cs of Golf Course Management.  17^th Annual Golf Course Property Manager’s  Conference, November 27-29, 2011.  Capri Center Red Deer, Alberta, Canada.
50. Taking control of green speed. Maquiver S. A. Greenskeeper Conference. 18-19 July 2011.  Bogota, Columbia                   
51. The top 10 reasons to lightweight roll. Maquiver S. A. Greenskeeper Conference. 18-19 July Bogota, Columbia
52. Managing putting greens for customer satisfaction. Maquiver S. A. Greenskeeper Conference. 18-19 July 2011. Bogota, Columbia
53. Turfgrass and the environment. 2011 Canadian International Conference and Tradeshow. March 4-8, 2011 Vancouver Convention Centre, Vancouver, British Columbia, Canada
54. IPM on the Golf Course 2011 Canadian International Conference and Tradeshow. March 4-8, 2011 Vancouver Convention Centre, Vancouver, British Columbia, Canada
55. IPM on the golf course. 2011 Ontario Golf Course Management Conference &Trade Show.   January 12-14, 2011 Windsor, Ontario Canada
56. Managing putting greens for customer satisfaction.  Portuguese Golf Course Superintendents Association 2-4 December 2010, Curia, Portugal
57. Top ten reasons to lightweight roll.  Portuguese Golf Course Superintendents Association 2-4 December 2010, Curia, Portugal
58. Green speed forum: taking control of green speed.  26^th Australian Golf Course Superintendents Association  21- 24 June 2010 Brisbane, Australia
59. Sports field  troubleshooting: research and the real world. 26^th Australian Golf Course Superintendents Association  21- 24 June 2010 Brisbane, Australia
60. Balancing your budget, turfgrass health, and customer satisfaction. 26^th Australian Golf Course Superintendents Association  21- 24 June 2010 Brisbane, Australia
61. IPM on the golf course. 47^th Annual Western Canada Turfgrass Association Conference & Trade Show. January 31st to Wednesday, February 3rd, Nanaimo, British Columbia, Canada. 
62. Sportsfield  troubleshooting: research and the real world. 47^th Annual Western Canada Turfgrass Association Conference & Trade Show. January 31st to Wednesday, February 3rd, Nanaimo, British Columbia, Canada. 
63. Cultural and mechanical practices used on the golf course.  Manitoba Golf Course Superintendents Association. Winnipeg, Manitoba, November 29, 2009
64. Taking control of green speed.  2008 Swedish Greenkeepers Association Conference. 12 March 2008  Eskilstuna, Sweden
65. Balancing Budget, Turfgrass Health, and Customer Satisfaction.  19^th Annual OSC / Nutrite Professional Turfgrass Seminar.  November 28, 2007 Waterloo, Ontario, Canada
66. Taking control of green speed.  19^th Annual OSC/Nutrite Professional Turfgrass Seminar.  November 28, 2007 Waterloo, Ontario, Canada
67. Taking control of green speed.  CGSA/ACSG 58^th Annual International Turfgrass Conference and Trade Show.  March 3, 2007 Montreal, Quebec, Canada 
68. Taking control of green speed.  December 11, 2006 Calgary, Alberta Canada
69. What is IPM?  Atlantic Turfgrass Conference & Trade Show.  March 22, 2006 St. John, New Brunswick, Canada
70. Measuring your success with green speed.  Atlantic Turfgrass Conference & Trade Show.  March 21, 2006 St. John, New Brunswick, Canada
71. Green speed and the law of diminishing returns.  The Kent Essex Greenkeepers’ Society Annual Educational Day.  March 9, 2006 Windsor, Ontario, Canada
72. Measuring your success as a golf course superintendent.  11^th Annual Property Manager’s Conference November 28th, 2005 Red Deer, Alberta, Canada     
73. Taking control of green speed. 11th Annual Property Manager’s Conference November 27^th, 2005 Red Deer, Alberta, Canada
74. Taking control of green speed.  27th Symposium Association of Spanish GreenKeepers. November 18, 2005 Vigo, Galicia, Spain
75. Taking control of green speed.  April 7, 2005 Canadian Seminar Series of the Canadian Golf Superintendents Association.  Monkton, New Brunswick, Canada 
76. Lightweight Rolling: Not Just for Green Speed.  Golfclub Herzog Tassilo May 27, 2004. Bad Hall, Austria.
77. Lightweight Rolling: Not Just for Green Speed.  May 26, 2004.  Konstanz, Germany.
78. Lightweight Rolling: Not Just for Green Speed.  Golfclub Hitfeld Seevetal May 24, 2004. Hamburg, Germany.
79. The effects of rolling and fertility on different root zones.  Multitynes Turf Products Winter Seminar.  March 25, 2004.  Toronto, Canada.
80. Turfgrass and rolling responses to lightweight rolling on putting green root zone mixes. IXth International Turfgrass Research Conference.  July 20, 2001.  Toronto, Canada
81. The impact of alternative spikes on putting greens: a survey.  St. Eurach Land und Golfclub.Iffeldorf, Germany  May 29, 1999
82. The impact of alternative spikes on putting greens: a survey.  Golfclub Worthsee e. V.,  Worthsee, Germany  May 28, 1999.
83. The impact of alternative spikes on putting greens: a survey.  Golfclub Innsbruck Igls, Rinn,. Austria  May 27, 1999.
84. The impact of alternative spikes on putting greens: a survey.  Golfclub Tutzing.  Tutzing, Germany May 24, 1999.

Presentations:

1. Who is your source of information?  April 12, 2018. ECGCSA 26^th Annual Spring Symposium. Naples, FL
   
2. 2017 Rapid-fire research update. 2018 Michigan Turfgrass Conference, East Lansing, MI January 5, 2018
3. Practical practices that promote turfgrass health. WinField Lunch & Learn. Kyle, Texas December 18, 2017
4. Practical practices that promote turfgrass health. WinField Lunch & Learn. Lubbock, Texas October 31, 2017
5. Counterintuitive results that are worth knowing.  Northwest GCSA Turfgrass Expo 2017.  Coeur d’Alene, Idaho October 16, 2017
6. Cultural and mechanical practices: what really works & what does not.  Northwest GCSA Turfgrass Expo 2017.  Coeur d’Alene, Idaho October 16, 2017
7. Practical practices that promote turfgrass health. WinField Lunch & Learn. Cabela’s in Lone Tree, CO. September 28, 2017
8. History of pesticides & cultural and mechanical practices that maximize turfgrass health.  WinField Lunch and Learn.  Dalton Ranch Golf Club, Durango, CO April 19, 2017.
9. The true cost of green speeds – The death march to 14.  71^st American Society of Golf Course Architects Annual Meeting. Jupiter, FL May 20, 2017.
10. Brief history of pesticide regulations.  Vegetation Management Conference MDOT Operations Field Services/Roadside. Lansing, MI April 10, 2017. 
11. Turfgrass and the environment.  WinField Academy Lunch and Learn Event.  Ironbridge Country Club, Glenwood Springs, CO April 19, 2017.
12. Putting green maintenance.  WinField Academy Lunch and Learn Event.  MegaPlex Theaters, Centerville, UT March 15, 2017.
13. Soil Science in regard to physical properties & nutrition.  Oregon STMA Membership Drive University of Portland, Portland, or March 7, 2017
14. History of pesticides & Cultural and mechanical practices that minimize their use. Oregon STMA Membership Drive University of Portland, Portland, or March 7, 2017
15. The top 10 reasons to lightweight roll. Sierra Pacific Turf Supply's 2017 Spring Symposium.    Cache Creek Casino and Resort, Brooks, CA March 3, 2017
16. Turfgrass and the environment. SiteOne University, Peoria, IL February 23, 2017
17. Top 10 reasons to lightweight roll. SiteOne University, Peoria, IL February 23, 2017
18. ABC’s of putting green maintenance. SiteOne University, Peoria, IL February 23, 2017
19. Turfgrass and the environment. SiteOne University, St. Louis MO February 16, 2017
20. Top 10 reasons to lightweight roll. SiteOne University, St. Louis MO February 16, 2017
21. ABC’s of putting green maintenance. SiteOne University, St. Louis MO February 16, 2017
22. Turfgrass and the Environment. 2017 Michigan Turfgrass Conference, East Lansing, MI January 5, 2017
23. Turfgrass IPM programs and research update. 2017 Michigan Turfgrass Conference, East Lansing, MI January 3, 2017
24. The A B C’s of golf course maintenance. Oregon Golf Course Superintendents Pesticide Conference, Portland, Oregon December 7, 2016
25. The history of pesticides and turfgrass research update. Oregon Golf Course Superintendents Pesticide Conference Portland Oregon. December 7, 2016
26. The history of pesticides and turfgrass research update 2016 Part II. November 7, 2016 WinField Educational Seminars. Kyle, TX
27. The history of pesticides and turfgrass research update 2016 Part I. November 7, 2016 WinField Educational Seminars. Kyle, TX
28. The history of pesticides and turfgrass research update 2016 Part II. October 13, 2016 WinField Educational Seminars. Tulsa, OK
29. The history of pesticides and turfgrass research update 2016 Part I. October 13, 2016 WinField Educational Seminars. Tulsa, OK
30. The history of pesticides and turfgrass research update 2016 Part II. October 11, 2016 WinField Educational Seminars. Oklahoma City, OK
31. The history of pesticides and turfgrass research update 2016 Part I. October 11, 2016 WinField Educational Seminars. Oklahoma City, OK
32. The history of pesticides and turfgrass research update 2016.  WinField Educational Seminars. Lubbock, TX
33. 2016 Mechanical and cultural practice update. October 24, 2016.  WinField Educational Seminars. Lubbock, TX
34. Cultural and mechanical practices that have an impact on turfgrass health. September 28, 2016 WinField Educational Seminars. Dallas TX
35. Cultural and mechanical practices that have an impact on turfgrass health. September 15, 2016 WinField Educational Seminars. Peoria, IL
36. Turfgrass & the environment: minimizing surface and groundwater contamination. May 3, 2016 WinField Educational Seminars. Orlando, FL. 
37. Cultural and mechanical practices that have an impact on turfgrass health. May 3, 2016 WinField Educational Seminars. Orlando, FL
38. The History of Pesticides in the USA.  April 21, 2016. 2016 ECGCSA Annual Spring Symposium. Naples, FL
39. Lawn Care Management Potpourri  February 17, 2016. Michigan Green Industry Association Winter Conference.  . Bingham Farms, MI
40. Turfgrass & the environment: minimizing surface and groundwater contamination. January 7, 2016 4^th Annual WinField Educational Seminars. Seattle WA
41. Cultural and mechanical practices that have an impact on turfgrass health. January 7, 2016 4^th Annual WinField Educational Seminars. Seattle WA
42. 2015 Turfgrass Researwch Update. 2016 Michigan Turfgrass Conference, East Lansing, MI January 5, 2016
43. Cultural and mechanical practices that have an impact on turfgrass health. October 15, 2015 4^th Annual WinField Educational Seminars.  Tulsa, OK
44. Turfgrass & the environment: minimizing surface and groundwater contamination. September 24, 2015 4^th Annual WinField Educational Seminars.   Minneapolis, MN
45. Cultural and mechanical practices that have an impact on turfgrass health. September 24, 2015 4^th Annual WinField Educational Seminars.  Minneapolis, MN
46. Turfgrass & the environment: minimizing surface and groundwater contamination. August 27, 2015 4^th Annual WinField Educational Seminars.   Denver, CO
47. Turfgrass & the environment: minimizing surface and groundwater contamination. August 13, 2015 4^th Annual WinField Educational Seminars.   Palm Beach, FL
48. Cultural and mechanical practices that have an impact on turfgrass health. August 13, 2015 4^th  Annual WinField Educational Seminars.  Palm Beach, FL
49. Turfgrass Potpourri. Southeast GM/Superintendent Meetings. Orlando, FL.  May 11, 2015
50. Turfgrass & the Environment.  MGIA 28^th Annual Trade Show & Convention. Novi, MI.  March 3, 2015
51. Turfgrass Talk Show.  GCSAA 86th International Golf Course Conference and Show. San Antonio, Texas February 23, 2015
52. Turfgrass Potpourri. February 11, 2015. Idaho GCSA Spring Meeting, Education, and Trade Show. Boise Idaho  
53. Turfgrass Talk Show. February 10, 2015. Idaho GCSA Spring Meeting, Education, and Trade Show. Boise Idaho
54. Turfgrass & the Environment.  February 10, 2015. Idaho GCSA Spring Meeting, Education, and Trade Show. Boise Idaho
55. Turfgrass Talk Show. February 9, 2015. Aquatrols University. Lake Las Vegas, Las Vegas, Nevada
56. Mechanical & Cultural Practices Update.  February 3, 2015. North Central Turfgrass Association Fargo, North Dakota
57. The Top 10 Reasons to Lightweight Roll.  February 3, 2015. North Central Turfgrass Association Fargo, North Dakota
58. Irrigation: maximizing water inputs. February 3, 2015. North Central Turfgrass Association Fargo, North Dakota
59. The ABC’s of Golf Course Maintenance.  February 3, 2015. North Central Turfgrass Association Fargo, North Dakota
60. The Turfgrass Talk Show. 2015 Michigan Turfgrass Conference, East Lansing, MI January 21, 2015
61. Turfgrass Research Update. 2015 Michigan Turfgrass Conference, East Lansing, MI January 19, 2015
62. Sustainability: methods to conserve resources & increase customer satisfaction. Oregon Golf Course Superintendents Pesticide Conference, Portland, Oregon December 3, 2014
63. Turfgrass Pesticides, Fertilizers, & the Microenvironment.  Oregon Golf Course Superintendents Pesticide Conference Portland Oregon. December 3, 2014
64. Nutrition: Knowns & unknowns.  October 23, 2014. 3^rd Annual WinField Educational Seminars. Soaring Eagle Casino, Mt. Pleasant, MI
65. Top 10 Reasons to Lightweight Roll.  October 23, 2014. 3^rd Annual WinField Educational Seminars. Soaring Eagle Casino, Mt. Pleasant, MI
66. The A,B,C’s of golf course maintenance.  September 23, 2014. 3^rd Annual WinField Educational Seminars. Denver, CO
67. 2014 Putting green management update. Hi Lo Desert Chapter GCSA Conference. PGA West, La Quinta, CA May 14, 2014.
68. Sustainability: methods to conserve resources & increase customer satisfaction. Everglades Golf Course Superintendents Association 22^nd Annual Spring Symposium. April 17, 2014. Naples, FL
69. Turfgrass and Our Environment: Research on pesticides and IPM practices.  Wilbur-Ellis University Spring 2014.  San Jose, CA March 27, 2014
70. Turfgrass and Our Environment: Research on pesticides and IPM practices.  Wilbur-Ellis University Spring 2014.  Navato, CA March 26, 2014
71. Turfgrass and Our Environment: Research on pesticides and IPM practices Part II.  Wilbur-Ellis University Spring 2014.  Elk Grove, CA March 25, 2014
72. Turfgrass and Our Environment: Research on pesticides and IPM practices Part I. Wilbur-Ellis University Spring 2014.  Elk Grove, CA March 25, 2014
73. Turfgrass Talk Show.  GCSAA 85th International Golf Course Conference and Show.  Orlando, Florida, February 3, 2014
74. The top 10 changes in golf course management in the past 25 years.  Grigg Brothers University, Orlando, Florida, February 4, 2014.       
75. X files: practicing prevention to avoid the cure. GCSAA 85th International Golf Course Conference and Show.  Orlando, Florida, February 4, 2014
76. Behind center distance and more.  2014 Michigan Turfgrass Conference, East Lansing, MI January 21, 2014
77. Turfgrass Talk Show. 2014 Michigan Turfgrass Conference, East Lansing, MI January 21, 2014
78. Turfgrass and the environment. Oregon Golf Course Superintendents Pesticide Conference, Portland, Oregon. December 11, 2013. 
79. Putting green management: cultural practice update. Oregon Golf Course Superintendents Pesticide Conference, Portland Oregon. December 11, 2013
80. The top 10 changes in golf course management in the past 25 years.  Grigg Brothers University, Desert Mountain Golf Course, Scottsdale, Arizona  October 23, 2013
81. On the tee: pesticide toxicity and how it has changed over the years and how to minimize risk to non-target organisms. Everglades Golf Course Superintendents Association 21st Annual Spring Symposium. April 18, 2013. Naples, FL
82. The impact of turfgrass on society.  Peaks & Prairies GCSA Almost Spring Meeting. March 4-5, 2013 Red Lion Colonial Hotel, Helena, Mont.
83. The top 10 changes in turfgrass management in the past 25 years.  Peaks & Prairies GCSA  Almost Spring Meeting. March 4-5, 2013 Red Lion Colonial Hotel, Helena, Mont.
84. Turfgrass talk show. GCSAA 84th International Golf Course Conference and Show.  4-8 February 2013.  San Diego, CA
85. Agronomic solutions II: To roll or not to roll. GCSAA 84th International Golf Course Conference and Show.  4-8 February 2013.  San Diego, CA
86. Turfgrass by the numbers. GCSAA 84th International Golf Course Conference and Show.  4-8 February 2013.  San Diego, CA
87. Taking control of green speed. GCSAA 84th International Golf Course Conference and Show.  4-8 February 2013.  San Diego, CA
88. Aerating residential landscapes. Great Lakes Trade Expo January 7-9, 2013. Devos Place, Grand Rapids, MI
89. 45 Minutes on water management.  37^th New Jersey Green Expo Annual Turf & Landscape Conference. December 4-6, 2012. Trump Taj Mahal, Atlantic City NJ
90. Managing green speed.  37^th New Jersey Green Expo Annual Turf & Landscape Conference.  December 4-6, 2012. Trump Taj Mahal, Atlantic City NJ
91. Putting green cultural and mechanical control update.  Everglades Golf Course Superintendents Association 20^th Annual Spring Symposium. April 5, 2012. Naples, FL
92. Turfgrass talk show. GCSAA 83rd International Golf Course Conference and Show.  March 7, 2012.  Las Vegas, Nevada
93. The top 10 reasons to lightweight roll. Tru-Turf University. March 6, 2012.  Las Vegas, Nevada
94. Balancing budgets, turfgrass health, and customer satisfaction. Jacobsen International University. March 6, 2012.  Las Vegas, Nevada
95. Turfgrass by the numbers. GCSAA 84th International Golf Course Conference and Show.  March 6,  2012.  Las Vegas, Nevada
96. Taking control of green speed. GCSAA 84th International Golf Course Conference and Show.  March 5, 2012.  Las Vegas, Nevada
97. Revitalizing and urban community with turfgrass. Great Lakes Trade Expo January 9-11, 2012.  Devos Place, Grand Rapids, MI
98. Tufgrass talk show. Great Lakes Trade Expo January 9-11, 2012.  Devos Place, Grand Rapids, MI
99. Best management practices for pesticides & fertilizers on turf. 24^th Annual Michigan Green Industry Association Trade Show and Novi in March Convention. March 1-2, 2011
100. Taking control of green speed.   GCSAA 82^nd  International Golf Course Conference and Show.  7-11 February 2011.  Orlando, FL
101. Turfgrass by the numbers.   GCSAA 82^nd  International Golf Course Conference and Show.  7-11 February 2011.  Orlando, FL
102. Why lightweight rolling decreases turfgrass disease.   GCSAA 82^nd  International Golf Course Conference and  Show.  7-11 February 2011.  Orlando, FL
103. The top 10 reasons to lightweight roll.  2011 Winter Seminar of the Connecticut Association of Golf Course Superintendents. January 18, 2011, Hawthorne Inn Berlin, Connecticut
104. Irrigation: science, art, and measurement.  2011 Winter Seminar of the Connecticut Association of Golf Course Superintendents. January 18, 2011, Hawthorne Inn Berlin, Connecticut
105. The social,economic, and environmental impact of turfgrass in an urban environment.  Great Lakes trade Expo January 10-12, 2011.  Devos Place, Grand Rapids, MI
106. Athletic Fields: Research and the Real World. Great Lakes Trade Expo 2011 10-12 January, Devos Place, Grand Rapids, MI
107. Turfgrass & the environment.   The Association of Grand Rapids Landscape Professionals Fall/Winter Learning Series 5 November, 2010, Grand Rapids, MI
108. Balancing budgets, turfgrass health, and customer satisfaction.  2010 Crystal Conference & Golf Classic, 3-4 November, 2010, Vernon, NJ
109. 60 minutes on irrigation.  Idaho Golf Course Superintendents Fall Meeting 5 October, 2010, Pocatello, ID
110. Turfgrass and the environment.  Idaho Golf Course Superintendents Fall Meeting 5 October, 2010, Pocatello, ID
111. The top 10 reasons to lightweight roll.  Idaho Golf Course Superintendents Fall Meeting 5 October, 2010, Pocatello, ID
112. Balancing your budget, turfgrass health, and customer satisfaction. Green Start Academy 1 October,  2010, Clayton NC
113. The top 10 reasons to lightweight roll.  Northwest Turfgrass Association 64^th Annual Turfgrass Conference 26-28 September, 2010 Walla Walla WA
114. Turfgrass and the environment.  Northwest Turfgrass Association 64^th Annual Turfgrass Conference 26-28 September, 2010 Walla Walla WA
115. The economic, environmental, and social impact of turfgrass on an urban society.  CSS departmental seminar 23 September, 2010 East Lansing, MI
116. Turfgrass potpourri. Everglades Golf Course Superintendents Association Turfgrass Spring Symposium.  April 8, 2010.  Naples, FL
117. Putting green managment.  The2010 Western Pennsylvania Turfgrass Conference and Tradeshow  25 February, 2010 Pittsburg PA
118. Your 25 minute appoinitment with the Doctor of Green Speed. GCSAA 81^st International Golf Course Conference and Show 9 February, 2010.  San Diego, CA
119. Taking control of green speed.   GCSAA 81^st International Golf Course Conference and Show 8 February, 2010.  San Diego, CA
120. Revitalizing an urban community with turfgrass.  Great Lakes Trade Expo 2010 4-6 January, Devos Place, Grand Rapids, MI
121. Balancing budgets, turfgrass health, and customer satisfaction. Rio Grande Golf Course Superintendents Association 15-16 November, 2009, Albuquerque New Mexico
122. Green speed and the law of diminishing returns.  Nebraska Green Expo 12-14 January, 2009.  Council Bluffs, IA
123. You can fool some the people some-of-the time but you can’t fool me!  Nebraska Green Expo 12-14 January, 2009.  Council Bluffs, IA
124. Turfgrass and the environment.  The New 2008-2009 Winter Learning Series 11 December, 2008 Kent MSU Extension office Grand Rapids, MI
125. Balancing budgets, turfgrass health, and customer satisfaction,  Inland Empire Golf Course Superintendents Association Fall Meeting and Trade Show.  20-21 October, 2008 Coeur d’ Alene, ID
126. Green speed and the law of diminishing returns.  Inland Empire Golf Course Superintendents Association Fall Meeting and Trade Show.  20-21 October, 2008 Coeur d’ Alene, ID
127. Balancing budgets, turfgrass health, and customer satisfaction. Green Start Academy 2 October, 2009, Clayton NC
128. Green speed and the law of diminishing returns.  Everglades Golf Course Superintendents Association 25 March, 2009 Naples, FL.
129. Turfgrass and the environment.  SEMNLA Spring Training for the Landscape Industry 10 March 2009.  Bay Pointe Golf Club West Bloomfield Hills, MI
130. IPM: more than pesticide safety; practices that really work.  2009 Western Pennsylvania Turf Conference and Trade Show 3-5 March, 2009 Pittsburgh, PA.
131. Balancing budgets, turfgrass health, and customer satisfaction.  2009 Western Pennsylvania Turf Conference and Trade Show 3-5 March, 2009 Pittsburgh, PA.
132. Taking control of green speed. GCSAA 80th International Golf Course Conference and Show.  January 2009.
133. Creeping bentgrass mowing & rolling frequency.  2008 University of Tennessee Turfgrass Research Field Day. 18 September 2008, Knoxville, TN
134. BMP’s in lawn/turf systems to minimize phosphorus loss.  Collaborative solutions for reducing phosphorous in agricultural and urban wetlands.  10 July, 2008 East Lansing, MI 
135. Turfgrass potpourri.  Michigan Green Industry Association 21^st Annual Trade Show and Convention. 10 March 2008,  Novi MI.
136. Why not make your life easier?  Peaks & Prairies GCSA Almost Spring Meeting. 3 March 2008 Helena, MT
137. Green speed and the law of diminishing returns.  Peaks & Prairies GCSA Almost Spring Meeting. 3 March 2008 Helena, Montana
138. Taking control of green speed.  The 2008 Turfgrass Academy.  26 February 2008 Springfield, MO
139. Taking control of green speed. The 2008 Turfgrass Academy. Topawingo National Golf Club, 25 February 2008 Sunset Hills Mo
140. Taking control of green speed.  The 2008 Turfgrass Academy. The Golf Center at Kings Island,  22 February 2008 Mason, OH
141. Taking control of green speed.  The 2008 Turfgrass Academy. Country Club of Hudson, 20  February 2008 Hudson, OH
142. Taking control of green speed.  The 2008 Turfgrass Academy. The Garrison Restaurant (The Fort), 15 February 2008, Indianapolis IN
143. Taking control of green speed.  The 2008 Turfgrass Academy.  Shenandoah Country Club, 13 February 2008 West Bloomfield, MI
144. Taking control of green speed.   GCSAA 79th International Golf Course Conference and Show.  30 January 2008.  Orlando, FL
145. Taking control of green speed.  Minnesota Green Expo. 10 January 2008 Minneapolis, MN 
146. Why not make you life easier?  2008 Eastern Pennsylvania Turfgrass Conference and Trade Show, 9 January 2008  King of Prussia, PA
147. Green speed and the law of diminishing returns.  2008 Eastern Pennsylvania Turfgrass Conference and Trade Show, 9 January 2008  King of Prussia, PA
148. MTF Research Update 2007.  Michigan Nursery and Landscape Association Conference 7 January 2008 Grand Rapids, MI
149. Balancing Budget, Turfgrass Health, and Customer Satisfaction.  Kentucky Turfgrass Council 2007 Conference and Show 24 October 2007 Bowling Green, KY
150. Green speed and the law of diminishing returns.  Idaho Golf Course Superintendents Fall Meeting.  16 October, 2007 McCall, ID
151. Taking control of green speed.  Idaho Golf Course Superintendents Fall Meeting.  16 October, 2007 McCall, ID
152. Sand topdressing incorporation techniques.  55^th Annual Florida Turfgrass Golf Association Conference and Show 13 September, 2007 Bonita Bay, FL
153. Green speed and the law of diminishing returns.  55^th Annual Florida Turfgrass Golf Association Conference and Show 12 September, 2007 Bonita Bay, FL
154. Taking control of green speed.  Reinders’ 18^th Turf & Irrigation Conference 14 March, 2007  Waukesha, WI
155. Effects & benefits of rolling golf course greens.  Reinders’ 18^th Turf & Irrigation Conference 14 March, 2007  Waukesha, WI
156. Taking control of green speed.   GCSAA 78th International Golf Course Conference and Show.  February, 2007.  Anaheim, CA
157. Defining IPM and some techniques that really work. Ohio Turfgrass Foundation 2006 conference and show. December 5-7, 2006.
158. Taking control of green speed. Ohio Turfgrass Foundation 2006 conference and show. December 5-7, 2006.
159. Rolling your way to disease free greens. Illinois Professional Turf Conference. November 28-30, St. Charles, IL
160. Defining IPM and some techniques that work. Southwest Turfgrass Conference and Trade Show. October 10-12, 2006 Ruidoso, New Mexico.
161. Green speed and the law of diminishing returns. Southwest Turfgrass Conference and Trade Show. October 10-12, 2006 Ruidoso, New Mexico.
162. Measuring your success as a golf course superintendent. Southwest Turfgrass Conference and Trade Show. October 10-12, 2006 Ruidoso, New Mexico.
163. Taking control of green speed.  The 9^th Annual New England Regional Turfgrass Conference & Show.  March 6, 2006  Providence, R.I. 
164. Green speed and the law of diminishing returns.  North Central Turf Grass Association 21^st Annual Conference & Trade Show.  February 22nd, 2006  Fargo, ND.
165. Measuring your success as a golf course superintendent.  North Central Turf Grass Association 21^st Annual Conference & Trade Show.  February 21^st, 2006  Fargo, ND.
166. Green speed: a method of measuring & communicating the condition of the game to your clientele.  GCSAA 77th International Golf Course Conference and Show February 10,  Atlanta, GA.
167. Taking control of green speed.   GCSAA 77th International Golf Course Conference and Show.  February 8, 2006.  Atlanta, GA.
168. Green speed and the law of diminishing returns.  John Deere International Sales Conference. February 7, 2006, Atlanta, GA.
169. Green speed and the law of diminishing returns.  The 72^nd Annual Iowa Turfgrass Conference. February 1, 2006  Des Moines, Iowa
170. Measuring your success as a golf course superintendent.  The 72^nd Annual Iowa Turfgrass Conference.  February 1, 2006  Des Moines, Iowa
171. Taking control of green speed.  10^th Annual Heart of America Golf & Turf Conference.  January 11, 2006  Overland Park, KS.
172. Taking control of green speed.  76^th  Annual Michigan Turfgrass Conference.  January 8, 2006.  Grand Rapids, MI.
173. Taking control of green speed.  John Deere Sales Representatives Conference.  January 6, 2006.  Raleigh, NC
174. What is IPM?  Michigan Green Industry Association Winter Conference January 5, 2006 Novi MI.
175. Turfgrass nutrition for your lawn: carriers & calibration.  MSUE AmeriCorps presentation December 5, 2005.  East Lansing, MI.
176. Taking control of green speed.  Carolinas Golf Course Superintendents Association Nov. 15, Myrtle Beach, SC.
177. Taking control of green speed.  Ski & Learn Symposium March 5-6, 2005   Crystal Mountain Resort, Thompsonville, MI
178. Lightweight rolling: not just for green speed.  South Dakota Superintendents Association  March 2, 2005.  Sioux Falls SD 
179. Green speed and the law of diminishing returns. South Dakota Superintendents Association March 2, 2005.  Sioux Falls SD 
180. 20-minutes on irrigation.  GCSAA 76th International Golf Course Conference and Show.  February 12, 2005.  Orlando, FL.
181. Taking control of green speed.   GCSAA 76th International Golf Course Conference and Show.  February 9, 2005.  Orlando, FL.
182. Taking control of green speed.   GCSAA 76th International Golf Course Conference and Show.  February 8, 2005.  Orlando, FL.
183. Research update.  75^th  Annual Michigan Turfgrass Conference.  January 19, 2005.  Lansing MI.
184. Lawn diagnostics & cultural practices.  Michigan Green Industry Association workshop August 26, 2004  Bloomfield Hills, MI.
185. Effects of rolling and Fertility on putting green root zones.  Everglades Golf Course Superintendents Association Turfgrass Spring Symposium.  April 8, 2004.  Naples, FL
186. Taking control of green speed.  GCSAA 75th International Golf Course Conference and Show.  February 11, 2004.  San Diego, CA.
187. Research update.  74^th  Annual Michigan Turfgrass Conference.  January 21, 2004. Lansing MI.
188. Taking control of green speed.  74^th  Annual Michigan Turfgrass Conference.  January 20, 2004. Lansing MI.
189. Turfgrass fertility II: fertilizer products and programs.  74^th  Annual Michigan Turfgrass Conference.  January 19, 2004.  Lansing MI.
190. Turfgrass fertility I: nutrients and environmental fate.  74^th  Annual Michigan Turfgrass Conference.  January 19, 2004.  Lansing MI.
191. Taking control of green speed.  38^th Annual Tennessee Turfgrass Association Conference and Show.  January 12, 2004.  Nashville TN.
192. Everything you ever wanted to know about green speed, but didn’t know who to ask.  New York State Turfgrass Association Turf and Grounds Exposition.  Nov. 4, 2003. Rochester, NY.
193. The Effects of Rolling & Fertility on Three Different Putting Green Root Zones.  Oregon Golf Course Superintendents Association.  September 29, 2003.  Bend, OR
194. The Effects of Rolling & Fertility on Three Different Putting Green Root Zones.  Northwest Ohio Golf Course Superintendents Association.  July 14, 2003.  Toledo, OH.
195. The Effects of Rolling & Fertility on Three Different Putting Green Root Zones.  Mid-Michigan Golf Course Superintendents Association Chapter Meeting, August 19, 2003.
196. The Effects of Rolling & Fertility on Three Different Putting Green Root Zones.  2003 Mid-Atlantic Association of Golf Course Superintendents Education Seminar.  March 11, 2003.  Baltimore, Maryland.
197. Cultural Practices and Their Impact on Green Speed.  GCSAA 74th International Golf Course Conference and Show.  February 12, 2003.  Atlanta, GA.
198. Historical Significance of the Stimpmeter: Facts the Superintendent Must Be Able to Communicate to the Golfer.  GCSAA 74th International Golf Course Conference and Show.  February 12, 2003.  Atlanta, GA.
199. Rolling Research Update.  73^rd Annual Michigan Turfgrass Conference.  January 22, 2003.   Lansing MI.
200. Turfgrass Fertility.  73^rd Annual Michigan Turfgrass Conference.  January 20, 2003.  Lansing MI.
201. Long-term Effects of Fertilization, Rolling, and Topdressing on Three Green Rootzones.  37^th
202. Annual Tennessee Turfgrass Association Conference and Trade Show.  January   7, 2003.  Nashville, TN.
203. Interpretation of Turfgrass Research Results.  School of Turfgrass Management.  December 11, 2002.  East Lansing, MI.
204. Green Speeds – Myth or Reality?  Golf Association of Michigan Green Seminar.  March 23, 2002.   Detroit, MI.
205. Lightweight Rolling: Not Just for Green Speed.  GCSAA 73^rd International Golf Course Conference and Show.  February 9, 2002.  Orlando FL.
206. Addressing Century Old Concerns Regarding Lightweight Greens Rolling.  72^nd Annual Michigan Turfgrass Conference.  January 23, 2002.  Lansing, MI.
207. Turfgrass fertility.  71st Annual Michigan Turfgrass Conference.  January 16, 2001.  Lansing, MI.
208. Interpretation of research results for the real world.  71st Annual Michigan Turfgrass Conference.  January 15, 2001.  Lansing, MI.
209. Historical and current fertilizer management practices for golf course greens.  Annual Michigan Turfgrass Field Day.  August 2000.  East Lansing, MI
210. Historical and current fertilizer management practices for golf course greens.  Golf Association of Michigan Day.  June 2000.  East Lansing, MI.
211. Alternative spikes: heart and sole.  GCSAA 71st International Golf Course Conference and Show. February 17, 2000.  New Orleans, Louisiana.
212. Turfgrass cultural practices report.  70th Annual Michigan Turfgrass Conference. January 18, 2000.  Lansing, MI.
213. The role of turfgrass in leaf litter disposal.  91st Annual American Society of Agronomy Meeting. October 1999.  Salt Lake City, Utah.
214. Green speed perception survey.  Annual Michigan Turfgrass Field Day.  August 1999.  East Lansing, MI.
215. Factors affecting green speed. Golf Association of Michigan Day.  June 1999.  East Lansing, MI.
216. IPM theory and practice.  69th Annual Michigan Turfgrass Conference. January 21, 1999.  Lansing, MI.
217. Mowing tree leaves in turf.  School of Turfgrass Management.  December 1, 1998.  East Lansing, MI.
218. Observations about greens grown in three different root-zone mixes.   90th Annual American Society of Agronomy Meeting.  October 1998.  Baltimore, MA.
219. Leaf mulch research in turf areas.  7th Annual Midwest Grounds Management Conference. August 5, 1998.  Kalamazoo, MI.
220. The latest and greatest of the non-metal spikes.  Northern Michigan Turf Managers Association Mini-Conference.  April 8, 1998, Grayling, MI.
221. The latest and greatest of the non-metal spikes.  Golf Association of Michigan & West Michigan Golf Course Superintendents Association 1998 Green Seminar.  March 5, 1998.  Grand Rapids, MI.
222. Leaf mulch forum.  68th Annual Michigan Turfgrass Conference.  January 20, 1998.  Lansing, MI.
223. Turfgrass identification.  Metropolitan Detroit Landscape Association Turfgrass & Ornamentals Recertification Seminar.  December 10, 1997.  Farmington Hills, MI.
224. Mulching tree leaves into an existing turfgrass stand.  School of Turfgrass Management. December 3, 1997.  East Lansing, MI.
225. Changing from spikes to spikeless: what does it mean to the golf course?  Northern Turfgrass Conference.  September, 1997.  Escanaba, MI.
226. New golf shoe sole designs and effects on putting quality: a survey. Annual Michigan Turfgrass Field Day.  August 1997.  East Lansing, MI.
227. History of golf spikes. Golf Association of Michigan Day.  May, 1997.  East Lansing, MI.
228. Lightweight green rolling.  67th Annual Michigan Turfgrass Conference.  January, 1997.  Lansing, MI.
229. Three soils and a lightweight green roller.  88th Annual American Society of Agronomy Meeting. November 4, 1996.  Indianapolis, IN.
230. Three soils and a lightweight green roller part II.  Annual Michigan Turfgrass Field Day.  August, 1996.  East Lansing, MI.
231. Plastic spikes vs. metal spikes: a demonstration.  Golf Association of Michigan Day.  May 1996. East Lansing, MI.
232. The effects of mulching tree leaves into Kentucky bluegrass.  66th Annual Michigan Turfgrass Conference.  January 1996.  Lansing, MI.
233. The effects of mulching tree leaves into Kentucky bluegrass.  American  Society of Agronomy Meetings.  October, 1995.  St. Louis, MO.
234. Observations about greens grown on three different soils. Annual Michigan Turfgrass Field Day.  August, 1995. East Lansing, MI
235. Soil type differences in green construction.  Golf Association of Michigan Day.  May, 1995.  East Lansing, MI.
236. Cultural practices and their effects on the green.  Northern Michigan Turfgrass Conference.   April, 1995.  Grayling, MI.
237. World Cup 94 project conclusion.  Capital Area Landscape Association.  October, 1994.  Lansing, MI.
238. Effect of rolling on green speed. Annual Michigan Turfgrass Field Day.  August, 1994.  East Lansing, MI.
239. Mulching tree leaves into Kentucky bluegrass turf - an update.  64th Annual Michigan Turfgrass Conference. January, 1994. Lansing, MI.
240. The effects of compaction on tall fescue maintained at fairway height.  Annual Michigan Turfgrass Field Day.  August, 1993.  East Lansing, MI
241. Plant growth regulators and green speed.  Annual Michigan Turfgrass Field Day.  August, 1991.  East Lansing, MI.

Webinars: 

1. On the Subject of Sole.  Golf Course Superintendents Association of America live webcast.  April 12, 2017.
2. Irrigation: Science, Art and Measuring for Success. TurfNet Webinar. January 3, 2017.
3. Rolling Practices for Your Golf Course.  A BrightView Event. Golf Course Superintendents Association of America live webcast.  October 19, 2016
4. Irrigation: Science, Art and Measuring for Success. Golf Course Superintendents Association of America live webcast.  January 21, 2015.
5. Turf Nutrition Week Day 3.  60 Minutes on Nutrition with Dr. Nikolai. TurfNet Webinar. October 2, 2014
6. My Best Feature is ... Greens: Green Speed Management. Golf Course Superintendents Association of America live webcast.  October 2013
7. The social, economic, and environmental impact of turfgrass on an urban society. TurfNet Webinar.  February 13, 2013
8. Top 10 Golf Course Maintenance Improvements. Golf Course Superintendents Association of America live webcast.  September 2012.
9. Top 10 Reasons to Lightweight Roll presented. Valley Crest Custom Event Golf Course Superintendents Association of America live webcast. September 2010
10. Irrigation: Science, Art and Measuring for Success. Golf Course Superintendents Association of America live webcast.  January 2010.
11. Top 10 Reasons to Lightweight Roll plus Superintendent Insights on the Mechanical Practice Golf Course Superintendents Association of America live webcast. November 2009.
12. Green Speed Basics presented. Valley Crest Custom Event. Golf Course Superintendents Association of America live webcast.  Sept. 2008
13. Green Speed and the Law of Diminishing Returns. Golf Course Superintendents Association of America live webcast.  January 2008.
14. Taking Control of Green Speed. Golf Course Superintendents Association of America live webcast 2007
15. Taking control of green speed Part I: Establishing your golf courses ideal green speed.  Golf Course Superintendents Association of America live webcast June 10, 2004

Columns:

1. Nikolai, Thomas A. 2018 Up to speed: Weighing in on fairway rolling. Golf Course Management January. 86(1): p. 104.
2. Nikolai, Thomas A. 2017 Up to speed: Hacker rules by consensus. Golf Course Management November. 85(11): p. 58.
3. Nikolai, Thomas A. 2017 Up to speed: Rough mower looking for work. Golf Course Management September. 85(9): p. 62.
4. Nikolai, Thomas A. 2017 Up to speed: Stories from the wash pad. Golf Course Management July.  85(7): p. 58.
5. Nikolai, Thomas A. 2017 Up to speed: The grass is not always greener. Golf Course Management May.  85(5): p. 66.
6. Nikolai, Thomas A. 2017 Up to speed: Slow and steady. Golf Course Management March. 85(3):66.
7. Nikolai, Thomas A. 2017.  Up to speed: All in the family.  Golf Course Management January.  85(1): p. 120.
8. Nikolai, Thomas A. 2016.  Up to speed: Making our greens great again?  Golf Course Management November. 84(11): p. 72
9. Nikolai, Thomas A. 2016. Up to speed: O Canada: A Morris Method update.  Golf Course Management September. 84(9): p. 82.
10. Nikolai, Thomas A. 2016. Up to speed: Golf and the environment… blah, blah, blah.  Golf Course Management July. 84(7): p70.
11. Nikolai, Thomas A. 2016. Up to speed: The significance of “not significant”. Golf Course Management May. 84(5): p 80.
12. Nikolai, Thomas A. 2016. Up to speed: Turf bowl: Everyone's a winner.  Golf Course Management. March. 84(3): p. 76.
13. Nikolai, Thomas A. 2016. Up to speed: What's the frequency?  Golf Course Management.  January. 84(1): p. 108.
14. Nikolai, Thomas A. 2015. Up to speed: It's hard to be humble.  Golf Course Management. November. 83(11): p. 70.
15. Nikolai, Thomas A. 2015. Up to speed: Quoting Shakespeare.  Golf Course Management. September. 83(9): p. 86.
16. Nikolai, T.A. 2015. Up to speed: obstacle course part II. Golf Course Management. July. 83(7): p. 80.
17. Nikolai, T.A. 2015. Up to speed; obstacle course part I.  Golf Course Management. May. 83(5): p. 84.
18. Nikolai, T.A. 2015. Up to speed: Weighing in on rolling after aerification. Golf Course Management. March. 83(3): p. 82.
19. Nikolai, T. A. 2015. Up to speed: Please pass. Golf Course Management. January. 83(1): p. 104.
20. Nikolai, T.A. 2014. Up to speed: 100% natural. Golf Course Management. November. 82(11): p. 70.
21. Nikolai, T.A. 2014. Fairway rolling: Really? Golf Course Management. September. 82(9): p. 78.
22. Nikolai, T. A. 2014.  Up to speed: water conservation from the ground up. Golf Course Management. July. 82 (7): p. 78.
23. Nikolai, T. A. 2014.  Up to speed: you are what you produce part I.  Golf Course Management. May. 82(5): p. 74.
24. Nikolai, T. A. 2014.  Up to speed: two for the show. Golf Course Management. March. 82(3): p. 76.
25. Nikolai, T. A. 2014. Up to speed: irrigation, agronomics, and playability. Golf Course Management. January. 82(1): p. 130.
26. Nikolai, T. A. 2013. Up to speed: fertility: the truth often lies with the recommendation. Golf Course Management. November. 81(11): p. 78.
27. Nikolai, T. A. 2013.Up to speed: results may vary.  Golf Course Management. September. 81(9): p. 74.
28. Nikolai, T. A. 2013. Up to speed. Brush daily? Golf Course Management. July. 81(7): p. 78.
29. Nikolai, T. A. 2013. Up to speed: pace of play and green speed. Golf Course Management. May. 81(5): p. 88.
30. Nikolai, T. A. 2013. Up to speed: a partnership that pays dividends. Golf Course Management. March. 81(3): p. 78.

Reviews:

1. Methods to Measure Directional Precision of a Golf Putt:  Does Annual Bluegrass Influence Ball Roll?" Rejected for publication in Crop Science. December 2016
2. Creeping bentgrass response to intensive mowing, rolling, and foot traffic.  AJ-15-0087-A. March 29, 2015
3. Influence of Gypsum and Wetting Agent on Sand-based Putting Greens Irrigated with Recycled Wastewater.   AJ-13-0060-A.  April 29, 2013
4. Effect of Core Aerification Frequency, Area Impacted, and Topdressing Rate on Soil Physical Properties. AJ-12-0224-A.  July 16, 2012
5. Lightweight Rolling Effects on Anthracnose of Annual Bluegrass Putting Greens.  AJ-11-0269-A.R.  February 7, 2012
6. Anthracnose Disease of Annual Bluegrass Putting Green Turf as Affected by Lightweight Rolling and Equipment Traffic. AJ-11-0269-A.  October 11, 2011.
7. Brushing plus vibratory rolling enhances topdressing incorporation on ultradwarf bermudagrass putting greensKauffman, John M.; Sorochan, John C.; Brosnan, James T. 2011. Applied Turfgrass Science. January 26. p. [1-8].

Interviews:

1. Need for speed on greens can stall rounds. By John Gordon in Morning Read. December 6, 2017. 
2. John Maginnes and Brian Katrek of the “Katrek and Maginnes On Tap” XM 92 and Sirius 208 program at 6 p.m. (ET) on Wednesday July 26, 2017.

Graduate Student Committees:

1. Binder, Nick.  2018. M.S. Thesis
2. Green, Thomas.  2015. M.S. Thesis 2015. Effects of lightweight rolling and sand topdressing on the severity of dollar spot infection and quality of turfgrass on a golf course fairway.
3. Johansen-Wilczewski, Rachel.   2015. Ph.D. Dissertation: Michigan State University. iv, 294 pp.  Community urban greening: curbing disorder and building assets—The case of Flint, MI.
4. Tocco, Rodney V. Jr. 2014. Ph.D. Dissertation: Michigan State University. xv, 111 pp.  Effects of Evapotranspiration Based Irrigation, Double Mowing, and Wetting Agent on an Agrostis stolonifera var. palustris Putting Green
5. Xiao, Miyuan. 2012. M.S. Thesis: Michigan State University. xii, 158 pp.  Multi-Year Effects of Granular and Foliar Nitrogen Fertilizers on Penn 'A-4' Creeping Bentgrass (Agrostis palustris Huds.) Grown on Three Rootzones
6. Giordano, Paul Ryan. 2010. M.S. Thesis: Michigan State University. viii, 106 pp.  Biology and Pathogenicity Factors of Rutstroemia floccosum and the Effects of Lightweight Rolling on Dollar Spot Disease Incidence in Creeping Bentgrass Putting Greens
7. Richards, Jacob S. 2009 M.S. Thesis: University of Arkansas.  96 pp. Putting green speed measurement and determining the influence of management practices on putting green speed.
8. Hathaway, Aaron D. 2006. M.S. Thesis: Michigan State University. vi, 41 pp.  Effect of Four Creeping Bentgrass Cultivars and Quantified Foot Traffic on the Invasion of Annual Bluegrass into a Putting Green
9. Strunk, William Daniel. 2006. M.S. Thesis: University of Tennessee, Knoxville. [1], x, 64 pp. Mowing and Light-weight Rolling of Creeping Bentgrass (Agrostis stolonifera L.) Putting Greens during summer heat stress periods in the Transition Zone