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紫云英俗称草子,是我区稻田的主要绿肥作物,对保持农田生态平衡,培肥土壤,提高粮食产量,增加经济收益都收到了明显的效果.一、我区稻田绿肥的发展过程及在农业生产中的作用(一)历年绿肥面积的变化:全区绿肥面积,在1953年以前不足10万亩,1954-1964年发展也相当缓慢,仅20万亩左右,1965年随着耕制改革,才开始大种绿肥,1966年扩大到149万亩,1977年为最大种植
The commonly known as Ziyun Youcao grass is the main green manure crop in paddy fields in our region, to maintain ecological balance of farmland, fertilize the soil, increase grain yield, increase economic benefits have received significant results.First, the development of paddy green manure in our area and in The role of agricultural production (A) changes in past years, green manure area: the area of green manure, less than 10 acres in 1953, 1954-1964 development is also quite slow, only about 20 acres, 1965 with the reform of farming , Began large-scale green manure, 1966 to 1.49 million mu, the largest planting in 1977