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田间试验和方差分析表明,平衡施肥不仅可以增加玉米的产量,还可以增加玉米的经济效益。施肥处理间产量差异极显著,以最佳处理OPT产量最高,不施肥处理产量最低,影响玉米高产的主要限制因子为N、K、P,其次是Zn;由于受价格因素的影响,OPT处理虽然产量最高,但经济效益不是最高,以减硼处理经济效益最高,其次是OPT处理,无肥处理经济效益最低,各种营养元素对玉米经济效益影响从大到小的排列顺序是N>K>P>Zn>S>B。
Field experiments and analysis of variance showed that balanced fertilization can not only increase the yield of corn, but also increase the economic benefits of corn. The yield differences between fertilization treatments were extremely significant. Optimum treatment OPT had the highest yield and the lowest yield without fertilization. The main limiting factors affecting maize yield were N, K and P, followed by Zn. Due to the influence of price factors, OPT treatment The highest yield, but not the highest economic benefits, to reduce the boron economic benefits of the highest treatment, followed by the OPT treatment, the lowest economic benefits of non-fertilizer treatment, various nutrients on the economic efficiency of corn from largest to smallest in the order of N> K> P> Zn> S> B.