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目前,我省的部分旱地作物安排单调,土地利用率低,产量和经济效益不高。为生产更多更好的旱作产品,更好地利用当地的地理生态环境,充分利用旱地资源等,采取间套作技术,具有调整复种作物在共生期间的空间距离,缩短其共生期。由于植株的一高一矮,收获期的一迟一早,营养上的一用一养,间套种布局采取一宽一窄,使复合群体达到合理用地,分层用光等。这是一项投资少,周期短,见效快,效益高,充分利用地力、光、热等资源,是发展旱粮生产的一条有效途径。
At present, some dry-land crops in our province are arranged monotonously, with low land utilization rate and low yield and economic benefits. In order to produce more and better dry-cultivated products, make better use of local geography and ecological environment, make full use of dryland resources and so on, adopt intercropping techniques to adjust the spatial distance of the crop during the symbiotic period and shorten the symbiotic period. As a plant a tall and a short, late one harvest early harvest, nutrition with a raise, intercropping layout to take a wide and narrow, so that the composite groups to achieve a reasonable land, such as stratified use. This is an effective way to develop dry-land production with less investment, short cycle, quick returns, high benefits and full utilization of resources such as geo-physical, optical and thermal resources.