余庆县中等田不同配方对玉米产量和效益的影响

Influence of Different Formula Fertilizer on Yield and Benefit of Maize Planted on Medium Fertility Field in Yuqing County

为指导中等田玉米合理施肥,进行了不同施肥配方田间试验。结果显示最佳的施肥方案为:玉米施用N 16kg/667m^2、P2O58kg/667m^2、K2O12.8kg/667m^2产量为681.7kg/667m^2,净产值为1653.55元/667m^2,养分增产量为8.36kg/kg。

To guide the rational fertilization ofmaize on medium fertility field,a different formula fertilizer test was conducted.The results indicated that the optimum fertilization scheme was N 16 kg /667m^2、P2O58kg /667m^2、K2O 12.8kg /667m^2,the yield,net benefits and the yield increase of nutrient were 681.7kg /667m^2,1653.55Yuan/667m^2 and 8.36 kg / kg,respectively.