芜湖县水稻机插秧高效水肥运筹试验研究
XianDai NongYe KeJi(2015)
Abstract
在机插秧特有的灌溉条件下,开展水稻肥料运筹试验研究。结果表明:在推荐的氮磷钾肥用量下,肥料运筹以氮肥基肥:分蘖肥:分蘖肥:穗粒肥=4.0:1.5:1.5:3.0,磷肥全部基施,钾肥基肥:分蘖肥:穗粒肥=5:2:3,水稻获得最高产量。从轻简化施肥的角度来说,肥料运筹以氮肥基肥:分蘖肥:穗粒肥=4:3:3,磷肥全部基施,钾肥基肥:分蘖肥=7:3为最优。
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