Through the synthesis analysis of the field,spike characters and leaves nutrient content of N,P and K in maize,the treatment of N2K2 was the best and its maize yield was at 11 183.3 kg/hm2 while soil P content was at 35.3 mg/kg.

• 综合玉米产量、穗部性状、叶片以及土壤氮磷钾养分含量分析；在土壤含磷量为35.；3 mg/kg时；以N2K2配施效果最好；玉米产量高达11 183