池塘养蟹,鲜蟹产量高,经济效益好,一般每亩年产量200公斤,纯收入可达到5000多元。现将放养技术介绍如下: 一是池塘条件:要求水源要充足,注排水方便,面积以1—2亩为宜,水深以1米左右为佳。池塘的坡度1:3以上为好,并用小青瓦片在池塘上垒成一个个可供河蟹栖息的蟹窝。池塘周围应设防逃墙, Pond crabs, crabs, high yield, good economic returns, the general output of 200 kilograms per mu, net income can reach 5,000 yuan. Now stocking technology introduced as follows: First, the pond conditions: water requirements to be adequate, easy drainage note, an area of ​​1-2 mu is appropriate, the water depth of about 1 m is better. Pond slope of 1: 3 or more as well, and the use of small green tiles in the pond into a baskets crab habitat for crab nest. Should be fortified around the pond to escape the wall,