土壤侵蚀对紫色土坡耕地耕层物理及力学特性的影响

江娜,史东梅,蒋光毅,宋鸽,司承静,叶青

Effects of Soil Erosion on Physical and Mechanical Properties of Cultivated Layer of Purple Soil Slope Farmland

Na JIANG,DongMei SHI,GuangYi JIANG,Ge SONG,ChengJing SI,Qing YE

表8 不同侵蚀程度下坡耕地耕层潜在水土流失等级

Table 8 Potential soil erosion grades of sloping farmland under different erosion degrees

处理 Manage 土层 Soil horizon (cm) 稳定入渗率 Soil stable infiltration rate 土壤紧实度 Soil compactibility 土壤潜在水土流失等级 Soil degradation grade CK 0-10 5 1 F1 10-20 5 1 F1 S-5 0-10 3 1 F3 10-20 3 1 F3 S-10 0-10 3 1 F3 10-20 2 1 1 S-15 0-10 3 1 F3 10-20 2 1 1 S-20 0-10 2 1 F3 10-20 1 1 1