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大量元素水溶肥料在小白菜上的应用效果研究

李晓宏,刘琦,李洁

XianDai NongYe KeJi（2018）

Cited 0|Views10
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Abstract
采用叶面喷施的方法,研究大量元素水溶肥料在城固县小白菜上的应用效果.结果表明,在小白菜出苗后10、20 d各喷施1次大量元素水溶肥料(N+P2O5+K2O≥58.0％)300倍液,能够增加小白菜株高、叶片数、单株鲜重和净菜率,同时叶色浓绿、生长整齐、病虫害明显减轻;与清水对照相比,增产1691.7 kg/hm2,增幅8.27％,净增收入1637.55元/hm2,投入产出比达1.00:2.82,经济效益较为显著.
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