Treatment combination | Total biomass (kg ha−1) | |||||
---|---|---|---|---|---|---|
N (kg ha−1) | P (kg ha−1) | Expt. 1 | Expt. 2 | Expt. 3 | Expt. 4 | |
N1P1 | 0 | 0 | 0.31 | 0.25 | 0.25 | 0.30 |
N1P2 | 0 | 30 | 0.28 | 0.26 | 0.24 | 0.23 |
N1P3 | 0 | 60 | 0.29 | 0.27 | 0.24 | 0.24 |
N2P1 | 40 | 0 | 0.40 | 0.39 | 0.37 | 0.32 |
N2P2 | 40 | 30 | 0.38 | 0.37 | 0.37 | 0.36 |
N2P3 | 40 | 60 | 0.40 | 0.37 | 0.38 | 0.37 |
N3P1 | 80 | 0 | 0.42 | 0.41 | 0.44 | 0.44 |
N3P2 | 80 | 30 | 0.43 | 0.42 | 0.39 | 0.40 |
N3P3 | 80 | 60 | 0.43 | 0.43 | 0.40 | 0.40 |
N4P1 | 120 | 0 | 0.42 | 0.42 | 0.45 | 0.44 |
N4P2 | 120 | 30 | 0.44 | 0.43 | 0.40 | 0.39 |
N4P3 | 120 | 60 | 0.43 | 0.43 | 0.41 | 0.39 |
Mean | 0.39 | 0.37 | 0.36 | 0.36 |
Effects | F-probability | |||
---|---|---|---|---|
N | ** | ** | ** | ** |
P | NS | NS | * | ** |
N * P | * | NS | NS | ** |