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1,史东梅1(
),蒋光毅2,宋鸽1,司承静3,叶青1
),蒋光毅2,宋鸽1,司承静3,叶青1
Effects of Soil Erosion on Physical and Mechanical Properties of Cultivated Layer of Purple Soil Slope Farmland
Na JIANG1,DongMei SHI1(),GuangYi JIANG2,Ge SONG1,ChengJing SI3,Qing YE1
),GuangYi JIANG2,Ge SONG1,ChengJing SI3,Qing YE1
图4. 不同侵蚀程度下耕层土壤物理性质排序图
SHC：饱和导水率Saturated hydraulic conductivity;SS：抗剪强度Soil shear strength;SC：土壤紧实度 Soil compactibility;SIR：初始入渗率Initial soil infiltration;SR：稳定入渗率Stable infiltration rate;AR：平均入渗率Average infiltration rate;G：砂粒Sand;P：粉粒 Silt;C：黏粒Clay;BD：土壤容重Soil bulk density;pT：土壤总孔隙度Soil total porosity;P：土壤毛管孔隙度Soil capillary porosity
Fig. 4. Soil physical properties of tillage under different erosion degrees
