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双氰胺对氮肥增产效益的影响
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.
作者姓名:柳金来  宋继娟  刘荣清  周柏明  任蔚洁
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
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。

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
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.
Keywords:DCD  Optimum apply quantity  Rice  Corn  Yield performance
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