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Analysis of Yield and Output Value for Maize "3414" Fertilizer Experiments
Pages: 51-53,57
Year: Issue:  17
Journal: Hunan Agricultural Sciences

Keyword:  玉米“3414”肥料试验产量产值肥料效应方程;
Abstract: 2010年在湘南红壤丘陵区旱地采用“3414”设计方案进行玉米田间试验,研究不同施肥处理对玉米产量和经济效益等的影响.结果表明:N2P1K1处理(氮、磷、钾施肥量分别为180、37.5、45 kg/hm2)的产量和经济效益最高,分别为5 759.5 kg/hm2,9687.6元/hm2;若只考虑单因素的影响,对玉米的增产效果是氮肥最大,其次为磷肥,钾肥最小.根据肥料效应方程,得到最佳经济产量为5659.3 kg/hm2,最佳氮、磷、钾经济施肥量分别为168.9、34.6、38.7 kg/hm2.
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