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1 河南省小麦基础地力分布频率

Fig. 1 Distribution frequency of soil fertilities of wheat in the Henan Province