[1]李林蔓.播期与密度对秋玉米产量及品质的影响[J].黑龙江农业科学,2016,(03):24-26.[doi:10.11942/j.issn1002-2767.2016.03.0024]
　LI Lin-man.Effect of Sowing Date and Density on Yield and Quality of Autumn Maize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(03):24-26.[doi:10.11942/j.issn1002-2767.2016.03.0024]
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播期与密度对秋玉米产量及品质的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2016年03 页码: 24-26 栏目: 出版日期: 2016-03-10
Title:
Effect of Sowing Date and Density on Yield and Quality of Autumn Maize
文章编号:
1002-2767（2016）03-0024-03
作者:
李林蔓
辽宁省朝阳市双塔区农业技术推广中心，辽宁 朝阳 122000
Author(s):
LI Lin-man
Extension Centre of Agricultural Technology of Shuangta District of Chaoyang City,Chaoyang,Liaoning 122000
关键词:
秋玉米产量; 播期; 密度; 秋玉米品质
Keywords:
分类号:
S513
DOI:
10.11942/j.issn1002-2767.2016.03.0024
文献标志码:
A
摘要:
为了提高秋玉米产量和品质，将播期和密度分别设3个水平组成9组试验，播期设置：2015年8月5日、8月15日以及25日；密度设置为种植52 500、60 000和67 500株hm-2。研究不同播期和密度对秋玉米产量和品质的影响。结果表明：8月5-15日播种的可以在11月中下旬正常收获，8月25日播种的12月初期才成熟，其与8月5-15日播种的相比，在穗长、穗粗、穗粒数、秃尖长、千粒重等指标方面均表现较差。播种周期在8月5-15日的秋玉米产量明显比8月25日的高。在不同的播种密度和播种时期的条件下，秋玉米的产量以及品质存在较大的差异。播种的日期越早收获的产量就越大；而就密度来看，在同一播种周期下的密度越小产量越高。在同一播种时间下脂肪含量均随密度增加逐渐降低。而对蛋白质和淀粉含量受种植密度的影响不大。
Abstract:
In order to improve the yield and quality of autumn maize, the effect of sowing date and planting density on yield and quality of autumn maize was studied.The sowing date and density were divided into three levels to form 9 groups of experiments,the sowing date set: August 5th,August 15th?and August 25th; uniform planting 52 500,60 000 and 67 500 plant?hm-2.The results showed that the treatments of sowing date August 5th?to August 15th?could be in the mid to late November normal harvest,and that of sowing on August 25th?was December early to mature.Compared with the sowing date with August 5th?to August 15th,the ear length and ear diameter,grain number per ear,bald,1 000 grain weight of sowing on August 25th?had poorer performance .The yield of autumn maize in August 5th?and August 15th?was significantly higher than that in August 25th.Under different planting density and sowing date,the yield and quality of autumn maize were significantly difference.The earlier the sowing date,the greater the yield and the density of the view would produce the higher the density under the same planting period and the higher the yield.The fat content decreased with the increase of the density in the same sowing time.In the protein and starch content,the planting density had little effect on the density of protein and starch.

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备注/Memo

收稿日期：2016-02-28

作者简介：李林蔓（1981-），女，辽宁省朝阳市人，硕士，农艺师，从事农学相关研究。E-mail:lilinman122@163.com。

更新日期/Last Update: 2017-02-13