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

表3 鼎湖山3种林型的土壤含水量和土壤理化性质

Table 3 Soil water content and soil physic-chemical properties of three forests at Dinghushan

林型 Forest type 土壤体积含水量 Soil volumetric water content (%) 饱和持水量 Saturated water content (%) 土壤孔隙度 Soil porosity (%) 土壤容重 Soil bulk density (g·cm-3) 有机质含量 Organic matter content (g·kg-1) 季风常绿阔叶林 MBF 29.02 51.00 55.05 1.01 25.29 马尾松针阔叶混交林 PBF 24.85 48.88 40.75 1.23 23.75 马尾松针叶林 PF 20.46 40.68 39.05 1.31 13.30