土壤类型 | 样品数 | ≤25 mg/kg | 25~50 | 50~100 | 100~150 | 150~300 | >300 | |||||||
个 | % | 个 | % | 个 | % | 个 | % | 个 | % | 个 | % | 个 | % | |
水稻土/水田 | 71 | 24.65 | 62 | 87.32 | 8 | 11.27 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 1 | 1.41 |
旱地 | 217 | 75.35 | 184 | 84.79 | 5 | 2.30 | 10 | 4.61 | 6 | 2.76 | 9 | 4.15 | 3 | 1.38 |
棕壤 | 10 | 3.47 | 7 | 70.00 | 0 | 0.00 | 2 | 20.00 | 0 | 0.00 | 0 | 0.00 | 1 | 10.00 |
石灰土 | 30 | 10.42 | 25 | 83.33 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 4 | 13.33 | 1 | 3.33 |
潮土 | 6 | 2.08 | 4 | 66.67 | 0 | 0.00 | 1 | 16.67 | 1 | 16.67 | 0 | 0.00 | 0 | 0.00 |
黄棕壤 | 105 | 36.46 | 87 | 82.86 | 2 | 1.90 | 6 | 5.71 | 4 | 3.81 | 5 | 4.76 | 1 | 0.95 |
紫色土 | 54 | 18.75 | 49 | 90.74 | 3 | 5.56 | 1 | 1.85 | 1 | 1.85 | 0 | 0.00 | 0 | 0.00 |
黄壤 | 12 | 4.17 | 12 | 100.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |