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玉米新品种郑单528适宜密度研究
引用本文:刘京宝,唐保军,赵霞,胡青妞,曹玉华,黄璐,夏来坤.玉米新品种郑单528适宜密度研究[J].河南农业科学,2010(12).
作者姓名:刘京宝  唐保军  赵霞  胡青妞  曹玉华  黄璐  夏来坤
基金项目:国家农业科技成果转化资金项目
摘    要:为确定郑单528玉米品种的适宜密度,对不同种植密度下郑单528的生育期、株高、果穗性状及产量构成因素等进行了分析比较。结果表明,郑单528最佳种植密度为5.25万~6.00万株/hm2,高肥水条件下的最适宜密度为6.75万株/hm2。

关 键 词:玉米  郑单528  种植密度  产量

Studies on Suitable Density of Corn Variety Zhengdan 528
LIU Jing-bao,TANG Bao-jun,ZHAO Xia,HU Qing-niu,CAO Yu-hua,HUANG Lu,XIA Lai-kun.Studies on Suitable Density of Corn Variety Zhengdan 528[J].Journal of Henan Agricultural Sciences,2010(12).
Authors:LIU Jing-bao  TANG Bao-jun  ZHAO Xia  HU Qing-niu  CAO Yu-hua  HUANG Lu  XIA Lai-kun
Abstract:A field experiment was carried out in 2009 to find out the most suitable density of new corn variety Zhengdan528.The developmental stages,plant height,ear characters and yield components of Zhengdan528 were analyzed under 7 planting densities.The results showed that the optimum density of Zhengdan528 was 52500-60000 plants/ha,but it could reach to 67500 plants/ha in abundant fertilizer and water conditions.
Keywords:Corn  Zhengdan 528  Planting density  Yield
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