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间套作是一熟有余、两熟不足地区提高土地利用效率的一种有效农作模式,该试验在甘肃中部地区进行了胡麻-玉米不同带型配置即,0.95 m带宽(2:2)、1.25 m带宽(4:2)、1.55 m带宽(6:2)、1.85 m(8:2)田间试验。结果表明,不同带型配置的土地当量比(LER)在1.17-1.32,在各种带型配置中胡麻竞争力弱于玉米,1.25 m带宽(4:2)的混合产量、产值、土地当量比(LER)分别达到13385.7 kg/hm~2、30613.5元/hm~2、1.32,1.25 m带宽(4:2)玉米胡麻套作模式适宜在平川区沿黄灌区推广。
Intercropping is an effective farming mode to improve the land use efficiency in more than one area and in less than two areas. The experiments were conducted in central Gansu province with different band configurations of flax-corn, ie, 0.95 m bandwidth (2: 2) 1.25 m bandwidth (4: 2), 1.55 m bandwidth (6: 2), 1.85 m (8: 2) field trials. The results showed that the land equivalent ratio (LER) of different belt configurations was 1.17-1.32, the flax competitiveness was weaker than that of maize, 1.25 m bandwidth (4: 2), output value, land equivalent ratio (LER) reached 13385.7 kg / hm ~ 2,30613.5 yuan / hm ~ 2,1.32,1.25 m bandwidth (4: 2) corn Flax crop pattern suitable for promotion along the Yellow River irrigation area in Hirakawa.