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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.这点利害关系刘邦还是能想明白的，可是他为什么还是要拒绝呢？张良百思不得其解。　　目的是窃取我国海洋信息环境与资源信息，而执行“水母计划”的“钓鱼者”身份神秘。讲述了一群年轻大学生在成长道路上邂逅友谊与爱情，并在彼此的陪伴鼓励下实现青春梦想的故事。影片主要讲述了盛世年间，道医林萧和亲传弟子田小邪为了清除恐怖的神秘病毒，解救天下苍生而经历一系列磨难的故事。The following code encapsulation: