(一) 麦棉套种是耕作制度的一项重大改革,它改变了北方棉区传统的棉花一年一熟制为小麦棉花套种两熟制。较为合理地解决了棉区粮棉争地的矛盾,提高了单位面积产值,增加了经济收入,开辟了向生产深度和广度进军的途径。 (A) Wheat-cotton intercropping is a major reform of the farming system, which has changed the traditional cotton cropping system in the northern cotton area into two-cropping system for wheat cotton intercropping. It has more rationally solved the contradictions between areas where grain and cotton compete in the cotton area, raised the output value per unit area, increased the economic income, and opened up avenues for marching into the depth and breadth of production.