论文部分内容阅读
随着沼气在农村的广泛使用,沼肥(沼液、沼渣)也越来越广泛地用于养埴业。利用沼肥养鱼,正我地养鱼专业户中已有三个年头了,收到了一定的经济效益,一般平均每亩成鱼产量增加30—40公斤。现就如何使用沼肥养鱼,简单介绍如下。一、具体做法1.投放鱼种前的准备。每年冬捕成鱼后,首先要对鱼塘进行改造,一方面进行清淤工作,另一方面施放生石灰。鱼塘施放生石灰,是为了达到防病、改良水质的目的,因此要讲究施用方法。施放生石灰必
With the widespread use of biogas in rural areas, biogas fertilizer (biogas slurry and biogas residue) is also increasingly used for raising livestock. The use of biogas fish farming, fish farming is my family has been three years, and received a certain degree of economic benefits, the average yield per acre increased 30-40 kg. Now on how to use biogas feed fish, a brief introduction is as follows. First, the specific approach 1. Serve before the fish preparations. After fishing each year in winter, fish ponds must first be rebuilt to carry out dredging on the one hand and quicklime on the other. The quick release of lime in fish ponds is for the purpose of preventing diseases and improving water quality. Therefore, we should pay attention to the method of application. Cast lime will be