Table 1.
Equations describing relationships between PRG and Timothy response variables with HexaFrass (HF) application rate (g per pot). See Figure 1 for scatter plots.
| Grass Species | Response | Relationship | r 2 |
|---|---|---|---|
| PRG | Shoot fwt (mg) | 761.2 + 496.9HF | 0.95 |
| Shoot dwt (mg) | 239.6 + 92.7HF | 0.93 | |
| Shoot DM (%) | 18.0 + (8.7 × 0.873HF) | 0.70 | |
| SPAD | 9.2 + 1.5HF | 0.50 | |
| Timothy | Shoot fwt (mg) | 683.6 + 242.2HF − 10.6HF2 | 0.85 |
| Shoot dwt (mg) | 222.6 + 113.4HF − 4.2HF2 | 0.65 | |
| Shoot DM (%) | 21.3 + (10.1 × 0.870HF) | 0.34 | |
| SPAD | 12.0 + 0.9HF | 0.36 |