土壤侵蚀对紫色土坡耕地耕层物理及力学特性的影响
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江娜,史东梅,蒋光毅,宋鸽,司承静,叶青
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Effects of Soil Erosion on Physical and Mechanical Properties of Cultivated Layer of Purple Soil Slope Farmland
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Na JIANG,DongMei SHI,GuangYi JIANG,Ge SONG,ChengJing SI,Qing YE
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表3 不同侵蚀程度下耕层土壤渗透性能排序
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Table 3 Tillage soil permeability order of different erosion degrees
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处理
Manage | 0-10 cm | 10-20 cm | 20-30 cm | 30-40 cm | 平均得分
The average score | 排序
The sorting | 退化程度
Degradation | 得分
Score | 排序
The sorting | 得分
Score | 排序
The sorting | 得分
Score | 排序
The sorting | 得分
Score | 排序
The sorting | | CK | 3.06 | 1.00 | 1.23 | 1.00 | 0.50 | 2.00 | 0.25 | 2.00 | 1.26 | 1 | 未退化
Non degradation | | S-5 | 1.53 | 1.00 | 0.90 | 2.00 | -0.07 | 3.00 | -0.78 | 3.00 | 0.40 | 2 | 轻度退化
Mild degradation | | S-10 | 0.72 | 2.00 | 0.38 | 2.00 | 0.05 | 2.00 | -0.74 | 3.00 | 0.10 | 2 | 轻度退化
Mild degradation | | S-15 | 0.19 | 2.00 | -0.13 | 3.00 | -1.25 | 4.00 | -1.64 | 4.00 | -0.71 | 3 | 中度退化
Moderate degradation | | S-20 | 0.06 | 2.00 | -0.41 | 3.00 | -1.59 | 4.00 | -2.08 | 4.00 | -1.01 | 4 | 重度退化
Severe degradation |
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