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1 试验样地概况

Table 1 General information of the experimental sites

森林类型 Forest type 坡度 Slope gradient 坡向 Slope aspect 海拔 Altitude (m) 林龄 Forest age (a) 马尾松针叶林 Pinus massonianaconiferous forest (PF) 25°-30° 西南 Southwest 200-300 50-60 马尾松针阔叶混交林 Mixed Pinus massoniana-broad-leaved forest (PBF) 28°-35° 西南 Southwest 220-300 70-80 季风常绿阔叶林 Monsoon evergreen broad-leaved forest (MBF) 25°-33° 东北 Northeast 220-300 400