| Species | Cultivar | Type | May | July | September | October | Mean4) |
| Italian ryegrass | Magnet | HighMg | 91.5aA | 96.4aA | 83.0aB | 64.7aC | 83.9 |
| Ace | Commercial | 96.9aA | 102aA | 91.8aA | 71.0aB | 90.4 | |
| Tachiwase | Commercial | 96.9aA | 106aA | 89.2aB | 68.0aC | 90.0 | |
| Waseyutaka | Commercial | 98.0aA | 106aA | 92.9aB | 69.0aC | 91.5 | |
| Relative range (%) | −7.41 | ||||||
| Tall fescue | HiMag | HighMg | 88.4aB | 98.8aA | 89.8aB | 57.9aC | 83.7 |
| Fawn | Commercial | 95.0aAB | 98.5aA | 91.8aB | 70.5aC | 88.9 | |
| Hokuryo | Commercial | 91.9aB | 99.3aA | 85.9aB | 66.5aC | 85.9 | |
| Ky-31 | Commercial | 90.8aB | 101aA | 91.2aB | 60.4aC | 85.9 | |
| Relative range (%) | −3.68 | ||||||
| Orchardgrass | Mgwell | HighMg | 105.6aA | 107aA | 99.1aA | 90.3aB | 100.5 |
| Akimidori | Commercial | 106.7aA | 112aA | 102aA | 91.6aB | 102.9 | |
| Okamidori | Commercial | 108.3aA | 110aA | 102aA | 90.8aB | 102.8 | |
| Relative range (%) | −1.54 | ||||||