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迪卡一号玉米最佳密度和施肥量试验

Dong-mei CHAI,Su-ling GAO, Hong-min GUO

JOURNAL OF HENAN AGRICULTURAL SCIENCES（2005）

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Abstract
对迪卡一号玉米进行了不同密度和不同施氮量试验,结果表明,不同密度、不同施氮量条件下产量差异达极显著水平.综合产量和经济效益,以每公顷施522 kg氮肥(尿素)为最佳,随着密度增加产量升高,最适宜的密度为每公顷64 500株左右.
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Key words
fertilizer application,maize,optimum density
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