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1 3种林型不同土层土壤体积含水量(平均值±标准偏差)。同一土层具有不同字母的差异显著(p < 0.05)。MBF, 季风常绿阔叶林; PBF, 马尾松针阔叶混交林; PF, 马尾松针叶林。

Fig. 1 Soil volumetric water contents of different soil layers in the three forest types (mean ± SD). Different letters indicate significant differences at p < 0.05 level in the same soil layer. MBF, monsoon evergreen broad-leaved forest; PBF, mixed Pinus massoniana-broad-leaved forest; PF, Pinus massoniana coniferous forest.