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[目的]为研究氮肥、磷肥、钾肥对夏玉米产量和经济效益的影响和测土配方施肥提供依据。[方法]在河南省鹤壁市利用“3414”试验设计,布置夏玉米氮、磷、钾肥料效应试验。[结果]氮的缺乏对夏玉米产量影响最大,其次为磷,最后为钾。[结论]施肥量推荐类型:夏玉米目标产量>10 500 kg/hm2,氮磷钾配比用量18∶8∶6;夏玉米目标产量9 000~10 500 kg/hm2,氮磷钾配比用量为16∶6∶4;夏玉米目标产量9 000 kg/hm2以下,氮磷钾配比用量为14∶4∶2。
[Objective] The research aimed to study the effects of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer on the yield and economic benefits of summer maize and provide the basis for soil testing and formula fertilization. [Method] With “3414” experimental design in Hebi City, Henan Province, the effect of nitrogen, phosphorus and potassium fertilizers on summer maize was arranged experimentally. [Result] The lack of nitrogen had the greatest impact on summer maize yield, followed by phosphorus and finally potassium. [Conclusion] The recommended types of fertilizer application were: the target yield of summer maize was> 10 500 kg / hm2, the ratio of NPK was 18:8:6, the target yield of summer maize was 9 000 ~ 10 500 kg / hm2, 16:6:4; summer corn target production below 9 000 kg / hm2, the amount of NPK 14:4:2.