ZHAO Dian-chen,CHEN Yuan,WANG Zhan-zhe.Primary Study on Ef fect of Dif ferent Ridge Cropping and Community Structure of Corn on Production[J].HEILONGJIANG AGRICULTURAL SCIENCES,2000,(05):14-18.[doi:10.11942/j.issn1002-2767.2000.05.0014]
玉米大垄种植技术的试验示范效果及增产机制分析
- Title:
- Primary Study on Ef fect of Dif ferent Ridge Cropping and Community Structure of Corn on Production
- 文章编号:
- 1002- 2767( 2000) 05- 0014- 05
- Keywords:
- co rn; ridg e cro pping; communi ty st ructure; yield
- 分类号:
- S513. 048
- 文献标志码:
- A
- 摘要:
- 以玉米三种垄作形式为主要内容,研究不同垄作的增产机制及相应的群体结构,提高玉米大面积连片种植的单产水平。试验表明: 大垄和大小垄种植方式具有保持和提高土壤温度、水分,抗旱抗涝的作用,同时适于密植,光能利用率高等特点,比常规小垄玉米增产14% ～ 22. 8% 。适宜密度6 ～ 7万株/hm2。
- Abstract:
- In thi s study, We hav e mainly undertaken the ex periment on th ree kinds of ridg e cropping of corn to inv estigate the macha ni sm o f yield-increasing of di fferent ridg e cropping a nd cor respo nding communi ty structure in order to increase the uni tyield o f corn in larg e acreag e planting. The resul ts indicated that bo th larg e ridge cro pping and large-sma ll ridg e cropping hav e the rolse of co nserving a nd increasing tempera ture and wa ter in soil , drough t and w aterlo gging resistant. And They are sui table fo r close planting wi th high efficiency of energy co nversio n. The corn yield increased by 14～ 22. 8% compa red to the co nv entio nal small ridge cropping of co rn. The densi ty o f ratio nal clo se planting is 60～ 70 thousand plants /ha.
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备注/Memo
收稿日期: 2000- 03- 27
作者简介: 赵殿臣( 1942- ) ,男,高级农艺师,从事作物栽培研究。