苦荞麦氮磷钾“3414”肥料效应试验初报
Bulletin of Agricultural Science and Technology(2012)
Abstract
采用"3414"完全实施方案,以目前生产推广的苦荞品种"川荞2号"为试验材料,进行氮磷钾肥料效应田间试验,观察不同施肥水平对荞麦生长的影响,并对试验结果进行回归分析,掌握优化荞麦生产的N、P、K施肥量。结果显示,在本试验土壤肥力基础上,亩施过磷酸钙50 kg、硫酸钾4 kg,产量为123.56 kg,增产值74.8元,此为经济有效施肥量。
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