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采用“3414”试验设计,研究经过保水缓释处理的氮、磷、钾肥的不同配方,对小麦产量与施肥量的关系,建立施肥模型,为专用型保水型缓释复混肥提供最佳配方组合,试验结果:N、P、K肥的最佳经济效益施肥量为:N 12.109kg/667m2,P 12.117kg/667m2,K 3.701kg/667m2;氮、磷、钾比例约为:10:11:4。
The experimental design of “3414” was used to study the relationship between the yield and the amount of fertilizers of different nitrogen, phosphorus and potassium fertilizers after water and slow release treatment. The fertilization model was established to provide the special type of water retention slow release compound fertilizer Good formula combination, the test results: N, P, K fertilizer the best economic benefits of fertilizer: N 12.109kg / 667m2, P 12.117kg / 667m2, K 3.701kg / 667m2; nitrogen, phosphorus and potassium ratio of about: 10 : 11: 4.