Fertiliser treatment | ||||||
---|---|---|---|---|---|---|
0_0 | 0_30 | 15_5 | 15_15 | 30_0 | 30_30 | |
pH | 5.5 | 5.7 | 6.1 | 5.9 | 6.1 | 5.8 |
Soil C (g) | 46.1 (2.50) | 48.7 (0.9) | 47.7 (2.2) | 50.4 (4.2) | 56.3 (3.1) | 53.6 (4.5) |
Soil N (g) | 4.4 (0.2) | 4.6 (0.2) | 4.6 (0.2) | 4.9 (0.4) | 5.5 (0.2) | 5.3 (0.5) |
Soil P (mg) | 408 (20.1) | 536 (66.3) | 648 (30.7) | 662 (53.8) | 716 (31.5) | 918 (46.5) |
Biomass C_CFE (mg) | 1.33 (0.13) | 1.52 (0.10) | 1.52 (0.20) | 1.67 (0.37) | 1.89 (0.14) | 1.76 (0.45) |
Biomass C_SIR (mg) | 1.34 (0.13) | 1.70 (0.20) | 1.73 (0.21) | 1.76 (0.19) | 1.86 (0.11) | 1.77 (0.18) |
Biomass N (μg) | 181 (28.0) | 223 (35.8) | 255 (21.3) | 265 (40.6) | 300 (14.4) | 263 (28.1) |
Biomass P (μg) | 79.0 (12.4) | 118 (12.0) | 113 (17.7) | 127 (24.5) | 148 (7.6) | 160 (26.2) |
DOC (μg) | 125 (5.4) | 105 (3.5) | 107 (3.7) | 105 (2.5) | 101 (5.0) | 97.0 (4.7) |
NH4+-N (μg) | 3.65 (0.37) | 3.24 (0.49) | 2.76 (0.35) | 2.48 (0.20) | 2.51 (0.27) | 2.80 (0.23) |
NO3--N (μg) | 19.6 (2.86) | 14.5 (2.04) | 16.2 (1.51) | 16.0 (2.70) | 15.1 (2.1) | 14.8 (1.56) |
PO4+-P (μg) | 8.2 (1.68) | 22.0 (2.85) | 27.8 (5.21) | 31.6 (4.01) | 44.8 (4.34) | 78.9 (13.29) |