秋免耕对坝上地区农田风蚀及土壤理化性质的影响

安晨宇, 王仁德, 周海涛, 李庆, 张新军, 常春平, 郭中领, 李继峰

Effect of no-tillage in autumn on farmland wind erosion and soil properties in Bashang district

Chenyu An, Rende Wang, Haitao Zhou, Qing Li, Xinjun Zhang, Chunping Chang, Zhongling Guo, Jifeng Li

图4 秋免耕地（A）和秋翻耕地（B）风蚀前后土壤有机质含量的比较

Fig.4 Comparison of organic matter content in surface soil before and after wind erosion season for no-tillage farmland （A） and tillage farmland （B）