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一、沼气肥的养鱼效果 (1) 增加了鲜鱼广量。南京市新技术所与水产研究所合作于1980~1983年连续进行了三年的新鲜猪粪与以猪粪为原料的沼气肥的对比试验,结果后者增产鲜鱼19~38％。江苏省沼气研究所与长江水产所合作进行的研究表明:沼气肥养鱼较鲜猪粪直接入池增产7.1~25.6％。南通地区沼办以沼气肥养鱼与一天然饵料,不加任何管理的鱼池作对比结果,产量增加一倍以上,该办还在石南鱼场进行了生产性对比试验,鲜鱼也增产11.8％。湖北省黄岗地区生物所在施用不同量的沼气肥与天然塘水进行对比试验结果,白鲢增产1.5~2.5倍。
First, the biogas fertilizer fish effect (1) increased the amount of fresh fish. Nanjing Institute of Technology in cooperation with the Institute of Fisheries in 1980 to 1983 for three consecutive years of fresh pig manure and pig manure biogas fertilizer as a comparative test, the latter yield 19 to 38% of fresh fish. The research conducted by Jiangsu Provincial Biogas Institute and Yangtze River Fisheries Research Institute shows that biogas fertilizer increased 7.1 ~ 25.6% more than fresh pig manure directly into the pond. Nantong area marsh to biogas fertilizer fish and a natural food, without any management of fish ponds for comparison, the output more than doubled, the Office also Shifang fish farm conducted a comparative test of production, fish also increased 11.8 %. Huanggang area in Hubei Province where the biogas fertilizer application and the amount of different amounts of natural pond water compared to the test results, silver carp yield 1.5 to 2.5 times.