1池塘养殖海蜇回捕率低的原因1．1养殖池塘不规范一是池塘水质差,单个池塘面积太小或水深太浅。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,未能进行彻底晒滩、清塘、消毒。有的是连片垦区虾池,养殖品种不一,规格不同。加之池塘渗透严重,造成晒滩不彻底。外堤中沟进排水污染严重。三 1 reasons for low recovery rate of pond breeding jellyfish 1.1 breeding ponds are not standardized First, poor water quality ponds, ponds are too small area or too shallow water depth. Second, the old ponds breed for many years, silt thick, small slope, clear pond is not complete, more harmful organisms. Some ponds have clam, clam or bamboo clam, etc., failed to conduct a thorough drying of the beach, clear ponds, disinfection. Some are even shrimp pond reclamation area, breeds vary, different specifications. Coupled with serious pond infiltration, resulting in drying the sun is not complete. The ditch in the ditch into the drainage water pollution. three