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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.学到到底在谋划什么大事情呢？为什么说是在破坏他的梦想呢？特长生2毕业季 9月6日晚上20:30分 GMM25台播出！玉娘一回家，便发现了异常，父亲不仅没做生意，反而是在收拾东西。保险员大岛的工作是向客户推销生命保险，有一天，他突然能看见人死前的最后一刻，大岛决定利用自己的力量帮助这些人。（伊東四朗、島かおり饰）At present, the progress of farmers in the society is the progress of the countryside. Improving the quality of farmers is the fundamental plan to realize the economic development, social progress and long-term stability in the countryside. Therefore, the work of popularizing education for all must be carried out attentively. The improvement and progress of the quality of the whole peasant team mainly depends on the progress and improvement of the young people. They are creative and full of vitality. They are representatives of the new rural productive forces and contain huge human resources. Stabilizing and strengthening agriculture and improving its comprehensive production potential require them to cultivate. To increase farmers' income and lead a rich and polite life, they need to explore. To strengthen the construction of democracy and legal system and spiritual courtesy at the grass-roots level in rural areas and to maintain rural stability, they need to play an attentive role. Therefore, the quality of the vast number of rural youth and whether their intentions and creativity can be brought into play are directly related to the smooth realization of the cross-century development goals of China's agriculture and rural areas.他知道汉军不进入彭城，休想救出儿女。