不同地力水平下的小麦施肥效应

徐霞,赵亚南,黄玉芳,闫军营,叶优良

Fertilization Effect of Wheat Under Different Soil Fertilities

Xia XU,YaNan ZHAO,YuFang HUANG,JunYing YAN,YouLiang YE

图3 不同基础地力水平下河南省小麦施用氮、磷、钾肥的增产量、增产率

Fig. 3 Wheat yield increase and yield increase rate of N, P and K fertilizers under different soil fertilities in Henan Province