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旱地地膜谷子的施肥效应研究

何继红,李沣,董孔军,李耀辉,王自忠

INFORMATION OF AGRICULTURAL SCIENCE AND TECHNOLOGY（2010）

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Abstract
针对旱地地膜谷子生长后期脱肥早衰的问题,研究了配方施肥对地膜谷子产量的影响,结果表明,旱地地膜谷子配方施肥比不施肥区增产73.80-151.30k/667m2,.增产82.55%169.24%;经济最佳施肥量为每667m2施纯N5.70kg,P2O5 4.60kg,K2O 5kg.
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