北方农牧交错带中心支轴式灌溉模式对水土资源的影响
连杰, 冯静, 苏娜, 刘尚华, 张雷, 王新源, 张蕊, 吴明润

Effects of center-pivot irrigation on soil and water resources in the agro-pastoral ecotone of Northern China
Jie Lian, Jing Feng, Na Su, Shanghua Liu, Lei Zhang, Xinyuan Wang, Rui Zhang, Mingrun Wu
图5 不同灌溉年限与土地利用方式下的土壤物理性质变化(置信水平α= 0.05)
注:NG,天然草地;SIA,支轴式灌溉;DL,潜在沙漠化喷灌面。不同小写字母表示差异显著,P<0.05
Fig.5 Change in soil physical properties under different irrigation durations and land use types