CHEN Hai-jun.Study on Suitable Density of Several Maize Varietiesin High Latitude Area of Heilongjiang[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(11):15-17.
黑龙江省高纬地区几个主栽玉米品种适宜密度的研究
- Title:
- Study on Suitable Density of Several Maize Varietiesin High Latitude Area of Heilongjiang
- 文章编号:
- 1002-2767（2011）11-0015-03
- Keywords:
- high latitude area; maize; plant type; density
- 分类号:
- S513.04
- 文献标志码:
- A
- 摘要:
- 以黑龙江省高纬地区的3个主栽玉米品种为试验材料,在6种不同种植密度条件下,研究了种植密度对3个玉米品种产量的影响，制定了3个主栽玉米品种的最佳种植密度。结果表明:平展型品种克单11的最适种植密度为60 000株·hm-2；半紧凑型品种边单3号的最适种植密度为67 500株·hm-2；紧凑型品种德美亚1号的最适种植密度为82 500株·hm-2。紧凑型品种在高密度条件下更容易获得较高的产量，3种类型之间的关系为：紧凑型＞半紧凑型＞平展型。
- Abstract:
- Taking three main maize varieties of highlatitude area as materials,the effect of six different plant densities on maize yield was studied,and the best plant densities of the three varieties were acquired.The results showed that the suitable plant density of Kedan 11 was 60 000 plant·hm-2,the suitable plant density of Biandan No.3 was67 500 plant·hm-2 and the suitable plant density of Demeiya No.1 was 82 500 plant·hm-2.Therefore,the compact varieties could achieve higher yield under high density.The relation of the three kinds of varieties was compact maize>semi-compact maize>spreading maize.
参考文献/References:
[1]陈喜昌，李波，张宇，等 . 不同种植方式对旱地玉米的增产效果研究初探[J]. 黑龙江农业科学， 2009 （5）： 27 - 28. [2]陈海军，邹德堂，巩双印，等.氮磷对极早熟春玉米产量和农艺性状的影响[J].黑龙江农业科学，2011（8）：32-34. [3]陈海军.不同叶龄期施用纯氮肥对黑龙江省黑河地区玉米产量的影响[J].黑龙江农业科学，2009（4）：48-49.
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备注/Memo
作者简介：陈海军（1981-），男，黑龙江省兰西县人，在读硕士，助理研究员，从事玉米育种和栽培研究。E-mail:hai.jun@126.com。