论文部分内容阅读
人工养蟹很有发展前途。近几年研究出来的棚架环形养蟹池养蟹,具有投资少、见效快、易管理、收益大等特点,较好地克服了普通养蟹池存在的问题,颇受广大养蟹者的欢迎。 1.建造蟹池。①选择地势较高,环境安静,背风向阳,进水、排水方便,离污染远,便于管理的地方。先挖一个直径6.5米、深1.5米的圆形土地,同时修好进出水道,再用砖砌好池壁,池壁高1.8米;距地底1米处砌进水口,进水口对面地底砌出水口;进水口侧面用砖
Artificial crabs are promising. In recent years, scaffolding ring crab pond crabs developed, with less investment, quick, easy to manage, the benefits of large and so on, better to overcome the common problems of crab pool, the majority of crabs welcome. 1. Build crab pool. ① select the higher terrain, the environment is quiet, the leeward sunny, water, drainage convenience, far from pollution, easy to manage. First dig a diameter of 6.5 meters, 1.5 meters deep circular land, while repaired into the waterway, and then brick wall pool, pool wall height of 1.8 meters; 1 meter from the bottom of the building into the water inlet, inlet opposite the bottom of the water outlet Water inlet side of the brick