节水减氮对土壤硝态氮分布和冬小麦水氮利用效率的影响
雒文鹤,师祖姣,王旭敏,李军,王瑞

Effects of water saving and nitrogen reduction on soil nitrate nitrogen distribution, water and nitrogen use efficiencies of winter wheat
Wen-He LUO,Zu-Jiao SHI,Xu-Min WANG,Jun LI,Rui WANG
图1 近10年月均降雨量
Fig. 1 Monthly average rainfall in the past 10 years