| Cool-season turfgrass variety trial I: 1968-1973
| Keen, R. A. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 1-2.
| More | 260509 |
| Cool-season turfgrass variety trial II: 1971-1976
| Keen, R. A. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 3-7.
| More | 260510 |
| Red fescue variety trial, 1971-1973
| Keen, R. A. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 8-9.
| More | 260511 |
| Kentucky bluegrass variety trial, 1976
| Keen, R. A.; Carrow, R. N. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 10-11.
| More | 260512 |
| Perennial ryegrass variety trial, 1976
| Carrow, R. N. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 12-13.
| More | 260513 |
| Southern Regional Cooperative Trial
| Pair, J. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 13-15.
| More | 260514 |
| Cool-season grasses trial summary, 1973-76
| Pair, J. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 16-17.
| More | 260515 |
| Chemical retardation in Kentucky bluegrass, Summer 1976
| Long, C.; Howell, S. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 18-19.
| More | 260890 |
| Turf retardation and fertility study in Kentucky bluegrass: 1976
| Long, C.; Howell, S. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 20-22.
| More | 260891 |
| Turf retardation and fertility study in Kentucky bluegrass: Fall field test, 1976
| Long, C.; Howell, S. 1977. Results of Turfgrass Investigations: 1968-1976 Variety Trials: Growth Regulator Trials. p. 23-25.
| More | 260893 |