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1988—1992年引进麦棉品种58个,多点次安排品种区试,筛选出适宜淮北地区两熟栽培的皖夏1号、中棉17号、皖夏2号、中棉16号、徐州8785、85中33、宿育1号、徐州21号、陕农7859等棉麦品种。针对配套品种就播期、密度、肥水运筹、化学调控、套种方式等关键技术措施,进行了较系统的深入研究,总结出一套麦棉早熟丰产栽培技术,如棉茬麦栽培技术、棉花小壮苗麦后移栽技术、麦田晚春套种棉花技术、麦田初夏套种棉花技术。四年中开发推广麦棉两熟栽培面积84.2万亩,创社会经济效益8000多万元。
In 1988-1992, 58 varieties of wheat straw were introduced, and varieties of regional trials were arranged at multiple points to select Wanxia No.1, Zhongmian 17, Wanxia 2, Zhongmian 16 and Xuzhou 8785 , 85 in 33, Suyu 1, Xuzhou 21, Shaanxi 7859 and other cotton varieties. Aiming at the key technical measures such as sowing date, planting density, fertilizer and water management, chemical regulation and intercropping methods, the paper has carried out systematic and in-depth research and summarized a set of precocious and high-yielding cultivation techniques of cotton and cotton, such as cotton cultivation techniques of cotton stubble, small cotton Seedling transplanting techniques after strong wheat, late spring intercropping wheat cotton technology, cotton interplanting early summer cotton technology. Four years to promote the development of wheat and cotton two-crop cultivation area of 84.2 hectares, a social and economic benefits more than 8000 million.