鱼塘中后期水质管理的标准是:水质清新,肥度适宜,池水呈黄褐、油绿、草绿带黄色,透明度20～40cm,无油膜,不形成水华,无腥臭味。即所谓的“肥、活、嫩、爽”。依据笔者几年的亲身实践,做好鱼塘中后期水质管理工作应从以下六个方面入手:1适时加注新水,抽走老水。注入新水不仅能给 Fish ponds in the latter part of the water quality management standards are: fresh water, fertilizer suitable, pool water was brown, green, grass green with yellow, transparent 20 ~ 40cm, no oil film, no water bloom, no fishy smell. The so-called “fat, live, tender, cool.” According to several years of my own hands-on practice, well water ponds in the latter part of water quality management should start with the following six aspects: 1 timely replenishment of new water, take away the old water. Injecting new water not only gives