安徽巢县水稻低产田多是低挡陷泥田,土头深、冷性大,秋发棵,产量低。为了发揮磷肥在低产田上应有的作用,1964年全县8个农业技术推广站,58个基点統計,在面积約5万佘亩水稻田里,共施用磷肥230多万斤,結果一般增产30~50%。为了推广这一經驗,各級領导先后組织全县生产队长以上干部現場覌摩会80多次,参加的有5,000多人。两年来实践 Anhui Chao County low-yielding rice paddy field is mostly low muddy fields, deep soil, cold, autumn hair trees, low yield. In order to give full play to the role of phosphate fertilizer in low-yielding fields, in 1964, 8 agricultural extension stations in the county, with 58 basis points, applied a total of more than 2.3 million kilograms of phosphate fertilizer in an area of ​​about 50,000 hectares of paddy fields. As a result, 30 ~ 50%. In order to promote this experience, leaders at all levels successively organized more than 80 cadres at the scene of the production team leader over the county to attend more than 5,000 people. Two years to practice