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祁东县白地市镇五七村三组村民罗德宏,自1986年以来,承包组里1口6亩水面的鱼塘,连续承包7年。由于他实行科学养鱼,鲜鱼产量逐年递增,获得了较高的经济效益,成为全县有名的养鱼能手。1992年共产鲜鱼6012kg,亩产1002kg,渔业收入24048元,除去各项开支7215元,获纯收入16833元,亩平2805.5元,投入与产出比为1∶3.3。其主要经验是: 1.扩大养殖品种,增加鱼种投放量。他把投放数量足、规格大的鱼种作为主要的增产技术措施来抓。该塘有大量的生活污水流入,水质较肥,平均
In the Qidong County Baidi town five or seven village three groups of villagers Luo Dehong, since 1986, the contract group in a 6 mu of surface water ponds, continuous contract for 7 years. Because of his practice of scientific fish farming, fresh fish production increased year by year, access to a higher economic efficiency, become the famous aquaculture expert. In 1992, the production of fresh fish 6012kg, per mu 1002kg, fishery income 24048 yuan, remove all expenses 7215 yuan, net income 16833 yuan, mu level 2805.5 yuan, input and output ratio of 1: 3.3. Its main experience is: 1. Expand breeding species, increase the amount of fish species. He put a sufficient number of large-sized species of fish as a major technical measures to increase production grasping. The pond has a large number of domestic sewage inflow, water quality is fat, on average