Table 2 The impact of different soil conditioners on Soil Chemical properties.
From: Mechanisms of carbon and nitrogen distribution in soil aggregates in response to soil conditioners
Years | Treatment | Total N (mg/kg) | Available P (mg/kg) | Available K (mg/kg) | Organic C (g/kg) | pH |
|---|---|---|---|---|---|---|
2021 | CK | 0.81 ± 0.02 d | 20.43 ± 2.17 c | 123.77 ± 6.02 e | 14.63 ± 0.79 d | 8.92 ± 0.03 a |
Om-20% | 0.86 ± 0.01 b | 58.90 ± 4.58 ab | 145.23 ± 2.53 b | 18.50 ± 1.17 b | 8.88 ± 0.04 a | |
Om-30% | 0.85 ± 0.0.1 bc | 55.47 ± 7.34 b | 143.93 ± 3.82 b | 18.42 ± 0.44 b | 8.72 ± 0.03 c | |
Om-45% | 0.83 ± 0.01 cd | 49.78 ± 17.37 b | 126.13 ± 2.66 d | 16.67 ± 0.17 c | 8.82 ± 0.03 b | |
Om-40% | 0.85 ± 0.01 bc | 51.89 ± 5.81 b | 134.63 ± 2.81 c | 16.98 ± 0.15 c | 8.78 ± 0.01 b | |
Hu-20% | 0.87 ± 0.01 ab | 63.50 ± 5.68 ab | 147.60 ± 2.79 ab | 18.69 ± 0.45 b | 8.82 ± 0.02 b | |
Am-25% | 0.89 ± 0.03 a | 70.56 ± 3.75 a | 154.37 ± 4.49 a | 19.96 ± 0.82 a | 8.67 ± 0.01 c | |
2022 | CK | 0.80 ± 0.02 d | 21.51 ± 2.81c | 122.77 ± 8.70 d | 14.21 ± 0.47 d | 8.87 + ± 0.04 a |
Om-20% | 0.89 ± 0.02 ab | 61.54 ± 13.33 ab | 154.33 ± 2.61 b | 22.75 ± 0.28 a | 8.65 ± 0.01 cd | |
Om-30% | 0.87 ± 0.01 bc | 59.58 ± 10.42 ab | 150.93 ± 2.04 b | 21.25 ± 0.06 b | 8.75 ± 0.07 b | |
Om-45% | 0.83 ± 0.04 cd | 44.88 + ± 7.543 b | 145.17 ± 6.55 bc | 20.02 ± 0.33 c | 8.78 ± 0.03 b | |
Om-40% | 0.86 ± 0.05 bc | 55.66 ± 12.32 ab | 137.83 ± 3.80 cd | 20.67 ± 0.24 bc | 8.73 ± 0.02 bc | |
Hu-20% | 0.90 ± 0.01 ab | 73.79 ± 6.736 a | 150.47 ± 6.22 b | 22.87 ± 0.44 a | 8.63 ± 0.09 d | |
Am-25% | 0.93 ± 0.02 a | 65.46 ± 11.03 a | 165.27 ± 2.05 a | 23.35 ± 0.90 a | 8.57 ± 0.04 d |
