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目前,万县水库化肥养鱼已发展到全县30多座水库的3000多亩水面推广,1988年取得全县化肥养鱼水库库平亩产成鱼25.5公斤。化肥养鱼的优点是肥效高,各种营养成分能合理搭配,物质能量转换迅速,水体肥水快,使用也方便。但在养鱼生产中也暴露出它的缺陷,如肥料不持久,水体中的饵料生物周日变化大,鱼类摄食饥饱不匀,水库鱼产量不稳定。万县高梁区水利水电管理站在县水产部门配合下,通过实践摸索,改单一施肥为综合施肥。他们充分利用农家肥的肥效持久性,保证了水体饵料生物的平衡,在水
At present, Wanxian reservoir fertilizer has been developed to more than 30 reservoirs in more than 30,000 acres of surface water promotion, in 1988 made the county fertilizer fish ponds mu yield of 25.5 kilograms of fish. Fertilizer fish has the advantage of high fertilizer efficiency, a variety of nutrients can be a reasonable match, the rapid conversion of material and energy, water, fast fertilizer, use is also convenient. However, its defects are also exposed in the production of fish. For example, the fertilizer does not last long, the biological changes of the feed organisms in the water body are large, the hunger of the fish fed in the food is not uniform, and the production of the fish in the reservoir is unstable. Wulian County Wuliang District Water Conservancy and Hydropower Management Station with the cooperation of the county aquaculture sector, through practical exploration, change a single fertilization for comprehensive fertilization. They make full use of manure fertilizer durability, to ensure the balance of water food organisms, in the water