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夏花生施用缓释尿素的产量和收益效应

Bulletin of Agricultural Science and Technology(2021)

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Abstract
在砂姜黑土土类、重壤土质地种植夏花生,采用种肥同播一次性施肥模式,在等养分量施肥且保证磷、钾肥适宜施用量的基础上,通过树脂包膜尿素和普通尿素施用量的差别,将氮肥中缓释尿素N的比例分别调整到0、20%、35%、50%,试验结果表明,在花生生育期降雨量明显偏多的情况下,产量差异显著,增产量和增收值均随着缓释尿素施用比例的增大而递增.
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