双氰胺对氮肥增产效益的影响 |
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引用本文: | 柳金来,宋继娟,刘荣清,周柏明,任蔚洁.双氰胺对氮肥增产效益的影响[J].吉林农业科学,2003,28(4):36-39. |
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作者姓名: | 柳金来 宋继娟 刘荣清 周柏明 任蔚洁 |
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作者单位: | 1. 吉林省通化市农科院,吉林,海龙,135007 2. 通化市种子管理站 |
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摘 要: | 分析了水田和旱田应用双氰胺(不同用量+氮素)的增产效益。结果表明:双氰胺在水田条件下(施用量8~32kg/hm2),增产幅度为12.2%~14.3%,最高产量施用量为21.4kg/hm2,最佳经济产量施用量为20.97kg/hm2,施用比例为1∶0.11~0.15。在旱田条件下(施用16.5~49.5kg/hm2),增产3.4%~6.6%,最高产量施用量为38.6kg/hm2,最佳经济产量施用量为33.9kg/hm2,其比例为1∶0.15~0.18,可作为玉米的安全生长用量。
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关 键 词: | 双氰胺 最佳施用量 水稻 玉米 增产效益 |
文章编号: | 1003-8701(2003)04-0036-04 |
修稿时间: | 2002年11月1日 |
Effect of Applying DCD to Nitrogen Fertilizer on Yield Performance |
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Abstract: | This paper analyzed the yield performance by applying different quantity DCD and nitrogen fertilizer in water field and dry field.The result indicated that the increasing yield rate was12.2%~14.3%when8~32kg /hm 2 DCD was applied in water field.Applying21.4kg /hm 2 DCD reached the highest yield.And the optimum DCD quantity was20.97kg /hm 2 with a proportion of1∶0.11~0.15.The increasing yield rate was3.4~6.6when16.5~49.5kg /hm 2 DCD was applied in dry field.Applying38.6kg /hm 2 DCD reached the highest yield.And the optimum DCD quantity was33.9kg /hm 2 with a proportion of1∶0.15~0.18and could be used as safe applying quantity for corn. |
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Keywords: | DCD Optimum apply quantity Rice Corn Yield performance |
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