不同玉米大豆间作模式对作物生长、产量和经济效益的影响
Effects of Different Maize-Soybean Intercropping Patterns on Crop Growth,Yield,and Economic Benefits
赵鑫 1张磊 1武俊男 1梁烜赫 1李善龙 1李涛 1李雨桐 2江登宇 2闫寒 3贾立辉 1李海燕 1曹铁华1
作者信息
- 1. 吉林省农业科学院,长春 130033
- 2. 延边大学,吉林延吉 133002
- 3. 大石头镇综合服务中心,吉林敦化 133702
- 折叠
摘要
为了分析玉米、大豆间作在吉林省的区域适应性,在半干旱区的乾安和半湿润区的敦化同时开展大田试验.试验采用大区方式进行,以轮作玉米和轮作大豆为对照,设置玉米、大豆行数配比为2∶2、2∶4、4∶2、4∶4、6∶2、6∶4和6∶6配置7个间作处理,对不同间作模式进行寻优与比较.结果显示,间作对玉米生长有促进作用,对大豆有抑制作用.不同地区玉米、大豆的产量不同,间作模式对作物的影响基本一致.与对照相比,各间作处理中玉米、大豆的产量均有一定减产,玉米大豆2∶4间作配置的土地当量比和产量表现最好,4:4间作其次,其中前者土地当量比可达1.282～1.306,后者土地当量比可达1.147～1.222.结果说明,与传统单作相比,合理的玉米大豆间作模式可以显著提高土地利用效率和综合经济效益,在东北地区有很好的推广前景和价值.
Abstract
In order to investigate the regional adaptability of maize-soybean intercropping in Jilin Province,field experiments were conducted in both Qian'an in the semi-arid region and Dunhua in the semi humid region,and different intercropping modes were optimized and compared.The experiment was conducted using a regional ap-proach,with rotation maize and rotation soybean as controls.Seven intercropping treatments were set with row ratios of maize and soybean at 2∶2,2∶4,4∶2,4∶4,6∶2,6∶4,and 6∶6.The results showed that intercropping had a promoting effect on the growth of maize plants,while it had an inhibitory effect on soybeans.Although the yield of maize and soybean varies in different regions,the impact of intercropping patterns on crops is basically the same.Compared to controls,all intercropping treatments resulted in some yield reduction.However,the 2:4 intercropping of maize and soybean showed the best land equivalent ratio and yield income,followed by the 4∶4 intercropping.The former had a land equivalent ratio of 1.282 to 1.306,and the latter had a land equivalent ratio of 1.147 to 1.222.The results indi-cate that compared with traditional monoculture,a reasonable maize-soybean intercropping model can significantly improve land use efficiency and comprehensive economic benefits,and holds promising potential for wider adoption in Northeast China.
关键词
玉米/大豆/间作/作物生长/土地利用效率Key words
Maize/Soybean/Intercropping/Crop growth/Land use efficiency引用本文复制引用
出版年
2024
NETL
NSTL
万方数据