耕作对渭北旱塬小麦-玉米轮作田土壤水分和产量的影响

郭星宇,王浩,于琦,王瑞,王小利,李军

Effects of Tillage on Soil Moisture and Yield of Wheat-Maize Rotation Field in Weibei Upland Plateau

GUO XingYu,WANG Hao,YU Qi,WANG Rui,WANG XiaoLi,LI Jun

图2 不同降水年型各耕作处理休闲末期0—200 cm土层贮水量 N：平水年型;H：丰水年型;D：欠水年型;NT：免耕;ST：深松耕;CT：翻耕。不同小写字母表示处理间差异达到显著水平（P<0.05）。下同

Fig. 2 Soil water storage in 0-200 cm at the end of fallow under different tillage treatments and rainfall types N: Normal year; H: Humid year; D: Dry year; NT: No-tillage; ST: Subsoiling; CT: Conventional tillage. Different lowercase letters represent significantly different between treatments (P<0.05). The same as below