土壤指标 | 统计项目 | 海拔范围 | ||||
I | II | III | IV | V | ||
pH | 变幅 | 4.23~6.57 | 4.60~6.17 | 4.51~7.92 | 4.26~7.36 | 4.55~7.27 |
均值 | 5.13abc | 5.1bc | 5.64a | 4.93c | 5.39ab | |
变异系数(%) | 11.89 | 8.82 | 20.21 | 11.97 | 14.29 | |
有机质 | 变幅 | 15.85~30.09 | 14.34~29.71 | 16.63~33.46 | 10.41~47.91 | 18.48~66.57 |
均值(g/kg) | 22.02b | 22.29b | 24.04ab | 29.19ab | 31.57a | |
变异系数(%) | 18.30 | 18.84 | 21.17 | 30.56 | 41.65 | |
碱解氮 | 变幅 | 33.98~438.42 | 84.95~276.38 | 85.74~212.13 | 17.06~286.36 | 91.70~301.79 |
均值(mg/kg) | 144.86ab | 129.36b | 134.77ab | 113.66b | 173.65a | |
变异系数(%) | 58.07 | 37.55 | 33.52 | 56.70 | 36.18 | |
有效磷 | 变幅 | 27.14~465.46 | 40.42~910.49 | 14.60~179.76 | 2.66~305.67 | 7.09~180.35 |
均值(mg/kg) | 229.42a | 224.12ab | 85.52b | 78.33b | 76.41b | |
变异系数(%) | 64.38 | 101.12 | 63.59 | 108.15 | 76.76 | |
速效钾 | 变幅 | 90.12~403.84 | 135.52~386.48 | 66.88~283.88 | 71.42~356.15 | 72.60~301.60 |
均值 | 192.49ab | 247.21a | 183.51ab | 185.89ab | 174.01b | |
变异系数(%) | 36.87 | 33.73 | 38.47 | 40.39 | 37.11 |