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三年来,中国科学院栾城县农业现代化综合科学实验基地推广棉花免中耕法,取得了显著成绩。棉花免中耕法,是中国科学院遗传研究所与石家庄农业现代化研究所协作完成的一项新的科研成果,是棉花栽培学中一项较重大的耕作改革。1980年,据在栾城县14个公社统计,全部采用免中耕法植棉面积24,000多亩,每亩增产在10—
In the past three years, the Luancheng County Comprehensive Institute of Agricultural Modernization, Chinese Academy of Sciences, has promoted cotton free cultivation and achieved remarkable success. Cotton Free Cultivation Act is a new scientific research achievement made by the Institute of Genetics of Chinese Academy of Sciences in collaboration with the Institute of Agricultural Modernization of Shijiazhuang and one of the major tillage reforms in cotton cultivation. In 1980, according to the statistics of 14 communes in Luancheng County, all of the 24,000 mu of cotton-free area was cultivated with free tillage and the yield per mu was between 10-