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不同类型控释肥和氮素用量对夏玉米的影响

Bulletin of Agricultural Science and Technology(2018)

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Abstract
以夏玉米鲁单818为供试品种,在磷肥、钾肥用量相等,氮肥用量分别在240 kg/hm2和192 kg/hm2用量模式下,研究了不同类型控释肥对夏玉米产量和氮肥利用效率的影响.结果表明,控释肥处理有利于提高夏玉米的产量和氮肥利用率,比对照(CK)增产23.82%~33.79%,比一次性普通肥料施用增产1.04%~3.23%;施氮240 kg/hm2时,A控释肥的应用效果最好,施氮192 kg/hm2时B控释肥的应用效果最好.
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