科尔沁沙地南缘旱作农田保护性耕作对土壤风蚀的影响

刘伟春, 李玉霖, 程莉, 方海富

The impact of protective tillage on wind erosion of farmland in the Horqin Sandy Land

Weichun Liu, Yulin Li, Li Cheng, Haifu Fang

图3 不同耕作措施下春季农田输沙率随采样高度与观测时间的变化特征 注：YQ、HQ、MY和FY分别代表春播燕麦复种荞麦、秋播冬黑麦复种荞麦、玉米留茬免耕春播玉米和传统春翻地播种玉米

Fig.3 Variations in spring farmland aeolian sediment flux under different cropping practices across sampling heights and observation periods