干旱区绿洲耕地撂荒与复耕对土壤水力性质的影响

刘斐耀, 尤全刚, 吴思渊, 黄翠华, 潘晶, 马绍休, 陈小杰, 薛娴

Effects of abandonment and recultivation of farmland on soil hydraulic properties in a typical oasis of arid regions

Feiyao Liu, Quangang You, Siyuan Wu, Cuihua Huang, Jing Pan, Shaoxiu Ma, Xiaojie Chen, Xian Xue

表2 土壤水力性质与土壤质地、结构的相关性

Table 2 The correlation between soil-hydraulic properties and soil text and structural properties

黏粒 粉粒 砂粒 有机质 土壤容重 θs-θ33 θs θ33 θ1500 θ33-θ1500 Ks 黏粒 1 0.596** -0.838** -0.571** 0.148 0.092 0.090 0.545** 0.643** 0.376 0.286 粉粒 1 -0.937** -0.051 -0.139 -0.140 0.107 0.345 0.223 0.422* 0.088 砂粒 1 0.283 0.030 0.055 -0.111 -0.471* -0.430* -0.449* -0.184 有机质 1 -0.473* -0.389* .052 -0.389* -0.587** -0.141 -0.341 土壤容重 1 0.975** -0.639** 0.665** 0.753** 0.488** -0.156 θs-θ33 1 0.874** -0.780** -0.738** -0.720** -0.109 θs 1 -0.378 -0.366 -0.340 -0.049 θ33 1 0.934** 0.934** -0.155 θ1500 1 0.744** -0.034 θ33-θ1500 1 -0.255 Ks 1