A soil culture experiment was carried out to test the effects of peanut maize or peanut wheat intercropping on iron nutrition of peanut.The results showed that intercropping improved iron nutrition of peanut significantly.If peanut was intercropped with maize or wheat,the young leaves of peanut had no iron deficiency symptom,but peanut plants in monocropping showed severe iron deficiency chlorosis on young leaves.For intercropping peanut,the active Fe content and chlorophyll content of young leaves were a...