Table 3.
Effects of different nitrogen and phosphorus combinations on dry biomass yield of sesbania pea at different growth stages in saline soils in 2020 and 2021.
| Treatment | Dry biomass yield(Mg·ha-1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 47 DAS | 72 DAS | 110 DAS | 141 DAS | 163 DAS | ||||||
| 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | |
| N1P1 | 0.04e | 0.04e | 0.87e | 0.65e | 5.01e | 4.53e | 9.46e | 8.21d | 10.78e | 9.29e |
| N1P2 | 0.05d | 0.05d | 0.96d | 0.81d | 5.56d | 5.26c | 10.50d | 9.24d | 11.97d | 10.43d |
| N2P1 | 0.05c | 0.05c | 1.04c | 0.94c | 6.02c | 4.97d | 11.38c | 9.89c | 12.97c | 11.70bc |
| N2P2 | 0.07a | 0.06a | 1.32a | 1.23a | 7.61a | 6.39a | 14.38a | 13.67a | 16.39a | 15.11a |
| N3P1 | 0.06b | 0.05b | 1.15b | 1.12b | 6.66b | 5.71b | 12.59b | 10.78b | 14.35b | 12.50b |
| N3P2 | 0.06b | 0.05c | 1.04c | 0.95c | 6.01c | 5.67c | 11.35c | 10.01c | 12.94c | 11.26cd |
| N | *** | * | *** | *** | *** | *** | *** | * | *** | ** |
| P | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
| N*P | *** | *** | *** | *** | *** | *** | *** | *** | *** | *** |
DAS, day after seeding. Different letters in each column indicate significant differences between different treatments at same growth stage at P<0.05 level. *significant at P<0.05, **significant at P<0.01, ***significant at P<0.001.