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一、池塘海蜇养殖回捕率低的原因 1.养殖池塘选择不规范。一是池塘水质差,单个池塘面积不合理,池面积太小或太浅。二是养殖多年的旧池塘,淤泥厚,坡比小,清塘不彻底,敌害生物多;有的池中已养花蛤、文蛤或竹蛏等,养殖户为了眼前利益,难以进行彻底晒滩、清塘、消毒;有的是连片垦区虾池,现已承包到户,养殖品种不一,规格不同,思想不统一,加之池渗漏严重,造成晒滩不彻底,外堤中沟进排水污染严重。三是进出水条件差,有的垦区虾池小
First, the reasons for the low recovery rate of pond jellyfish farming 1. Aquaculture ponds are not standardized. First, poor water quality ponds, ponds an area of unreasonable, the pool area is too small or too shallow. Second, the old pond breed for many years, silt thick, slope ratio is small, clear pond is not complete, more harmful organisms; some ponds have clam, clam or bamboo shoots, etc., farmers in the immediate interests, it is difficult to thoroughly drying Beach, clear pond, disinfection; some are even shrimp pond reclamation area, has been contracted to households, breeding varieties, different specifications, the idea is not uniform, coupled with the serious leakage of the pool, resulting in drying the sun is not completely, serious pollution. Third, poor access conditions, and some shrimp pond reclamation area