控失尿素在夏玉米上的应用效果

JIANGXINONGYE(2020)

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Abstract
针对河北省安平县夏玉米生产中肥料利用率低、养分损失严重等问题,对比相同施氮量条件下,控失尿素不同施肥方式对夏玉米产量、粗蛋白质及氮肥利用率的影响.结果表明:与无氮处理相比,普通尿素、控失尿素和控失尿素一次施肥处理分别增产6.2%、11.8%和0.4%;控失尿素的产量、粗蛋白质含量均优于普通尿素和控失尿素施肥处理,氮肥利用率也显著高于其他处理,高达44.1%.
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