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- W3204189141 abstract "通过2008～2011年玉米＂3414＂肥料效应试验,建立了玉米施肥技术指标体系。应用养分丰缺指标法,将玉米相对产量与相应土壤养分含量分别进行方程拟合,根据方程曲线的趋势,选择一元二次方程或线性加平台方程分别计算出最佳施肥量,通过概率分布得出不同养分等级下的推荐最佳施肥量范围。玉米种植区土壤碱解氮、速效磷和速效钾平均含量分别为251、35.4、145mg/kg;纯N、P2O5、K2O平均最佳施肥量分别为158、98、30kg/hm2。" @default.
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- W3204189141 date "2012-01-01" @default.
- W3204189141 modified "2023-09-27" @default.
- W3204189141 title "yu mi shi fei zhi biao ti xi de chu bu jian li" @default.
- W3204189141 hasPublicationYear "2012" @default.
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