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4 不同基础地力水平下的地力贡献率

Fig. 4 The relative contribution of soil fertilities to wheat yield under different soil fertilities