无产阶级文化大革命以来,湖北省耕作制度的改革进展很快,水田三熟制面积不断扩大。1974年全省水田三熟面积已发展到204万亩,不少地方水田三熟面积扩大到占水田面积的40％以上。随着水田三熟制的发展,油-稻-稻三熟油菜面积逐年增加。1963年全省晚茬油菜(包括一季和双季稻茬口)只 Since the Great Proletarian Cultural Revolution, the reform of farming system in Hubei Province has progressed rapidly and the area of ​​paddy field three-cropping system has been expanding. In 1974, the province’s paddy field tri-area area has been developed to 204 million mu, many areas paddy fields Sanda area expanded to account for more than 40% of paddy field area. With the development of paddy field three-cropping system, oil-rice-paddy area has been increasing year by year. In 1963 the province late crop rape (including a quarter and double crop stubble) only