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高凡不知她要干什么，紧盯着她。10-15% of aquatic plants and hidden objects are planted shallowly at the edge of the pond to create an environment for lobsters to inhabit and shell and reduce mutual killing. The influence of water quality on lobster yield cannot be ignored. During the breeding process, the PH value of the pool water is kept between 7.5 and 8.5, and the transparency is 30-40cm. Fresh water should be added frequently, quicklime solution should be splashed regularly, water quality should be adjusted, and diseases and shelling failure should be prevented. 2. Feed feed reasonably. Lobsters will kill each other when hungry and under-fed, so the feeding amount must be sufficient. Lobster feed is animal and plant feed. Plant feeds are wheat, aquatic plants, rapeseed cakes, etc. Animal feeds are miscellaneous fish, miscellaneous meat, livestock viscera, etc. At ordinary times, the feeding time, feeding amount and feeding method are determined according to the habit of lobsters falling in the day and coming out at night and the density of lobsters in the pond. 3. Scientific fishing. Young shrimps can grow to commercial specifications in 60-90 days under the condition of suitable temperature and sufficient feed. The seedlings will be released in March and will be caught in rotation around June, selling large ones and keeping small ones.范亚父看过之后，无奈地坐在原地。故事讲述了唐末文宗年间宰相旺涯满门抄斩，两个死里逃生的姐妹多年后以不同身份相遇，并且帮助新帝李炎重振大唐的故事。刘井儿无奈点头，抱怨道：咱们一块长大，王爷都不帮我。可是事情就真的那么让人兴奋吗？他们也很清楚，胜利终归是越国人的。[ON COMPLETION [NOT] PRESERVE]: optional; default is ON COMPLETION NOT PRESERVE, that is, the event will be dropped automatically after the execution of the planned task is completed; ON COMPLETION PRESERVE will not drop.