间作、套种(东北地区还有混作)耕作制度在我国具有悠久的历史。文化大革命以米,随着“农业学大寨”运动的深入开展,这种传统的耕作制度又有了新的发展与提高。间套作耕作制度的优点是:能充分利用生长季节,增加复种指数;充分利用光照和地力;利用边行的优势促进增产;可合理倒茬,增加夏粮和绿肥比重,做到养地用地相结合,保证稳产高产。所以近几年来,间套作耕作面积迅速发 Intercropping, interplanting (mixed farming in Northeast China) farming system in our country has a long history. With the deepening of the “Cultural Studies in Dazhai” campaign, the traditional farming system has undergone new developments and improvements. Intercropping tillage system has the advantage of being: to make full use of the growing season, increase the multiple cropping index; make full use of light and ground force; use of the edge of the advantages to promote production; reasonable stubble, increase the proportion of summer grain and green manure, so that land use , To ensure stable and high yield. Therefore, in recent years, the intercropping area has been rapidly developed