ZHAO Yang,YANG De-guang,QIAN Chun-rong,et al.Effect of Plant Density and Nitrogen Fertilizer Dosage on Agronomic Characters and Yield of Spring Maize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2013,(07):34-36.
不同种植密度与氮肥施用量对春玉米农艺性状及产量的影响
- Title:
- Effect of Plant Density and Nitrogen Fertilizer Dosage on Agronomic Characters and Yield of Spring Maize
- 文章编号:
- 1002-2767（2013）07-0034-03
- Keywords:
- maize; N fertilizer; yield; agronomic traits
- 分类号:
- S513.06
- 文献标志码:
- A
- 摘要:
- 为探明黑龙江省春玉米合理的种植密度及氮肥最佳施用量，采用裂区设计分析了不同种植密度与不同氮肥施用量对玉米的产量和农艺性状的影响。结果表明：随着密度的提高，最大叶面积指数与产量增加显著；氮肥的施用促进最大叶面积指数增加，同时显著提高了产量。以密度90 000 株.hm-2，氮肥施用量225 kg.hm-2组合时获得较高产量。
- Abstract:
- In order to clarify the optimal application level of nitrogen and plant density in the growth process of spring maize in Heilongjiang province.The effects on the yield of maize and agronomic traits with different plant density and nitrogen fertilizer application were analyzed by a split-plot experiment.The results showed that the Max LAI and yield significantly increase with the increase of density，Increasing nitrogen fertilizer rate for maize could increase effective the Max LAI and yield，the highest yield was achieved at planting density of 90 000 plant.hm-2and nitrogen fertilizer 225 kg.hm-2.
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备注/Memo
收稿日期：2013-03-20
基金项目：国家公益性行业(农业)科研专项资助项目(2009 03001-06-5)；国家玉米产业技术体系资助项目(CARS-02-40)
第一作者简介：赵杨（1985-），女，黑龙江省哈尔滨市人，学士，研究实习员，从事作物耕作栽培研究。
通讯作者：杨德光(1967-)，男，湖北省孝感市人，博士，教授，从事作物栽培生理研究。E- mail：ydgl@tom.com。