活化磷肥在砂姜黑土夏玉米上的肥效研究

Anhui Agricultural Science Bulletin(2011)

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Abstract
于2010年夏季在安徽省怀远县包集镇砂姜黑土区开展了几种不同磷肥形态的田间小区试验。试验结果表明,活化磷肥在砂姜黑土夏玉米上施用,田间玉米亮秆成熟、籽粒饱满,其产量在500kg/667m2以上,比无磷区、普钙区、磷铵区分别增产22.3%、8.9%和2.0%,分别增收166.2元/667m2、56.61元/667m2和17.68元/667m2,表现出较好地增产增收效果。
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