不同降雨年型旱地冬小麦水分利用及产量对施氮量的响应

刘朋召,周栋,郭星宇,于琦,张元红,李昊昱,张琦,王旭敏,王小利,王瑞,李军

Response of Water Use and Yield of Dryland Winter Wheat to Nitrogen Application Under Different Rainfall Patterns

LIU PengZhao,ZHOU Dong,GUO XingYu,YU Qi,ZHANG YuanHong,LI HaoYu,ZHANG Qi,WANG XuMin,WANG XiaoLi,WANG Rui,LI Jun

图2 不同降雨年型施氮量对冬小麦不同生育时期0—200 cm土层土壤蓄水量的影响 SS: 播种期 Sowing stage; WS: 越冬期Wintering stage; ES: 拔节期Elongation stage; AS: 开花期Anthesis stage; MS: 成熟期Maturity stage

Fig. 2 Effects of N treatments on soil water storage in 0-200 cm soil layer at different growth stages of winter wheat under different rainfall patterns