棉花是大英县的主要经济作物，常年种植面积在０．６７万ｈｍ２以上，人均植棉收入１５８元。近年来，为了提高棉田经济效益，降低植棉风险，广大棉花科技人员，充分利用棉田前期、中期、后期有利的光热条件，大力开展棉田综合利用，改麦（油）后棉为麦棉套作，实行“彻底改制 Cotton is the major cash crop in the county of Great Britain. The perennial planting area is above 6,600 ha and the per capita cotton planting income is 158 yuan. In recent years, in order to improve the economic benefits of cotton fields and reduce the risk of cotton planting, the majority of cotton science and technology personnel make full use of favorable light and heat conditions in the early, mid-term and later stages of cotton fields and vigorously carry out the comprehensive utilization of cotton fields. , The implementation of "thorough restructuring