1991年,王善留承包了村里的5个总面积为15亩的鱼塘,在县渔技站技术员的指导下,用其中的4个塘养殖成鱼,1个塘培育鱼种,在无高产养鱼应备的增氧机诫——增氧机的情况下,经120天的精心管理,科学喂养,结果取得了一流成绩,创出了高产高效:总收入34261元,纯收入18011元,其中一个4.9亩的高产试验塘每亩收获成鱼706.8公斤,每亩纯收入3298.1元。他养殖成鱼获得高产高效的经验是: 一、科学放养。放养鱼种前,先将4个养成塘内的水抽干,每亩用生石灰300公斤,加水搅拌,全池泼洒,将塘底鱼的敌害和病菌全部杀死。放养鱼种时,根据不同鱼类喜在不同水层生活的习性,主要投放鲤鱼(底 In 1991, Wang Shanliu contracted the village’s five 15-acre fish ponds under the guidance of technicians at the county fishing station, using 4 of the ponds to breed fish and 1 pond to breed fish species. High-yielding fish should be prepared by the exhumation commandment - aerator case, after 120 days of careful management, scientific feeding, the results achieved first-class results, creating high yield and high efficiency: the total income of 34,261 yuan, the net income of 18011 yuan , Of which, a high-yielding 4.9-m trial pond harvested 706.8 kg of fish per mu and provided a net income of 3298.1 yuan per mu. His experience of breeding fish into high-yield and high efficiency is: First, scientific stocking. Fish stocking before the first four to develop the water pumping pond dry, with lime 300 kilograms per mu, add water and stir, Quanchiposaur, the fish and fish pond predators and kill all germs. Fish stocking, according to different habits of fish in different aquatic habitat, the main carp (bottom