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我省从1975年开始在农业上推广应用正交试验法,特别是粉碎“四人帮”反党集团以后,推广工作发展很快。目前,大力宣传普及,试点已取得一些成果,推广活动正在向前发展。据不完全统计,我省已有9个地、市对小麦、水稻、玉米、谷子、土豆、豌豆、棉花、蔬菜、烟草、绿肥等多种作物的品种、栽培条件以及土
Since 1975, the province has popularized the application of orthogonal test in agriculture. Especially after smashing the “gang of four” anti-Party clique, the promotion work has developed rapidly. At present, some efforts have been vigorously promoted and popularized. Some achievements have been made in pilot projects and promotion activities are moving forward. According to incomplete statistics, there are 9 prefectures and cities in our province that have cultivated and cultivated varieties, cultivation conditions and soils for various crops such as wheat, rice, corn, millet, potato, pea, cotton, vegetables, tobacco and green manure