土壤有机质对土壤水分保持及其有效性的控制作用
刘效东, 乔玉娜, 周国逸

Controlling action of soil organic matter on soil moisture retention and its availability
LIU Xiao-Dong, QIAO Yu-Na, ZHOU Guo-Yi
图3 土壤有机质含量与其各对应土层土壤体积含水量(A)及土壤水分特征曲线参数a (B)的回归。
Fig. 3 Regression between soil organic matter content and its corresponding soil layer’s soil volumetric water content (A), parameter a of soil water characteristic curve (B).