土壤养分 | 土层深度 | 最大值 | 最小值 | 平均值 | 多重比较 | CV |
总氮(g/kg) | 0~10 cm | 0.84 | 0.12 | 0.29 | a | 0.79 |
| 10~20 cm | 0.49 | 0.12 | 0.24 | a | 0.54 |
20~40 cm | 0.19 | 0.05 | 0.13 | b | 0.53 | |
0~40 cm | 0.84 | 0.05 | 0.22 | — | 0.75 | |
有效磷(g/kg) | 0~10 cm | 22.18 | 4.71 | 12.04 | a | 0.44 |
10~20 cm | 20.29 | 3.12 | 9.85 | ab | 0.50 | |
20~40 cm | 15.52 | 1.21 | 8.09 | b | 0.47 | |
0~40 cm | 22.18 | 4.71 | 9.99 | — | 0.63 | |
速效钾(g/kg) | 0~10 cm | 188.65 | 44.18 | 88.30 | a | 0.42 |
10~20 cm | 145.63 | 33.69 | 71.27 | ab | 0.42 | |
20~40 cm | 123.94 | 33.69 | 67.29 | b | 0.41 | |
0~40 cm | 188.65 | 4.18 | 75.62 | — | 0.49 | |
有机质(g/kg) | 0~10 cm | 19.14 | 6.02 | 12.03 | a | 0.39 |
10~20 cm | 16.37 | 2.93 | 7.41 | ab | 0.45 | |
20~40 cm | 7.74 | 1.01 | 3.27 | b | 0.55 | |
0~40 cm | 19.14 | 1.01 | 7.57 | — | 0.42 |