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5 不同侵蚀程度下紫色土坡耕地耕层土壤物理性质排序统计结果

Table 5 Statistical results of sorting of physical properties of tillage layer under different erosion degrees of purple soil slope farmland

Axis 1 Axis 2 Axis 3 Axis 4 特征值Eigenvalue 0.0023 0.0004 0.0003 0 解释变异（累计）Explained variation (cumulative) 73.50 86.03 94.57 94.85 Pseudo-canonical相关性Pseudo-canonical correlation 0.9950 0.9847 0.8347 0.7174 解释拟合变异（累积）Explained fitted variation (cumulative) 77.48 90.70 99.70 100.00