| The sloping green
| Leinauer, B. R.; Rieke, P. E.; Crum, J. R.; Baird, J. H.; Nikolai, T. A.; Calhoun, R. N. 1999. Michigan State University Sod Producers Field Day. p. 14.
| More | 202367 |
| Agrium experimental fertility studies
| Rieke, P. E.; Nikolai, T. A. 1999. Michigan State University Sod Producers Field Day. p. 14.
| More | 202368 |
| Pursell experimental fertility studies
| Rieke, P. E.; Nikolai, T. A. 1999. Michigan State University Sod Producers Field Day. p. 14.
| More | 202369 |
| Leaf mulch study
| Rieke, P. E.; Nikolai, T. A. 1999. Michigan State University Sod Producers Field Day. p. 15.
| More | 202370 |
| Microbe and vitamin study for nitrogen enhancement
| Rieke, P. E.; Nikolai, T. A. 1999. Michigan State University Sod Producers Field Day. p. 15.
| More | 202371 |
| 18 greens (putting green rootzone study)
| Nikolai, T. A.; Rieke, P. E.; Vargas, J. M. Jr.; Rogers, T. N. III. 1999. Michigan State University Sod Producers Field Day. p. 15.
| More | 202372 |
| Irrigation timing, grass species, fertility study
| Nikolai, T. A.; Gilstrap, D. M.; Rieke, P. E. 1999. Michigan State University Sod Producers Field Day. p. 15.
| More | 202373 |
| Evaluation of the effects of an experimental wetting agent on turfgrass quality and soil physical properties of turfgrass rootzones
| Leinauer, B.; Rieke, P. E.; Makk, J.; Nikolai, T. 1999. Michigan State University Sod Producers Field Day. p. 15.
| More | 202375 |