Herbage N yield (g/potted plant) among 5 bunchgrass species (species × water; P ≤ 0.05) in a greenhouse trial.
| Species | Soil saturation % | Standard error | |||
|---|---|---|---|---|---|
| 100 | 50 | 25 | 12.5 | ||
| Sideoats grama | 48.2 a A* | 40.9 ab A | 16.9 a B | 4.4 a B | 2.56 |
| Little bluestem | 42.4 a A | 34.5 ab A | 12.1 ab B | 2.1 a B | 2.56 |
| FG | 45.6 a A | 46.5 a A | 11.6 ab B | 3.3 a B | 2.70 |
| FRG | 37.6 a A | 31.7 b A | 7.8 ab B | 2.0 a B | 2.70 |
| PTG | 1.1 b A | 1.6 c A | 1.5 b A | 1.2 a A | 2.56 |
| Standard error | 2.70 | 2.56 | 2.70 | 2.56 | |
↵* Values within each column (lower case) and each line (upper case) followed by the same letter do not differ (P ≤ 0.05) according to Tukey-Kramer multiple means separation test.