“栽前施肥法”是指把水稻在大田生长期所需的化肥,于移栽前一次施用。移栽后原则上不追肥。栽前施肥法从1980年在我县龙桥大队开始试验,1981年继续在该队扩大试验。1982年在前二年取得试验成功的基础上,进行了大面积推广。推广面积,前季稻10万余亩,后季稻25万多亩。在推广的同时,还组织了16个单位进一步进行了大田试验示范,均达到了增产和提高经济 “Planting before fertilization method” refers to the fertilizers needed to grow rice in the field growth period, the first application before transplanting. After transplanting in principle not topdressing. Planting fertilization method from 1980 in my county Longqiao brigade started the test in 1981 to continue the expansion of the team test. On the basis of the successful trial conducted in the first two years in 1982, a large-scale promotion was carried out. To promote the area, the first crop of more than 100,000 acres of rice, more than 250,000 acres of rice. In the promotion at the same time, also organized 16 units further field trials and demonstrations, have reached a production increase and increase the economy