六合县1987年共有1 163户农民养河蟹,总面积达810亩。共放齐规格为2～5克的一龄天然蟹种1.225万公斤,平均每亩放养蟹种15.12公斤,约5 500只。为了帮助养蟹农户养好蟹,促使养蟹业的发展,县有关部门帮助农户组织蟹种1万多公斤,解决做防逃墙的钙塑片27吨,並多次举办河蟹人工养殖技术培训班和讲座,使养蟹户基本掌握养蟹技术。(周宪章) In 1987, a total of 1,163 farmers raised crabs in Luhe County, with a total area of ​​810 mu. A total of 12,525 kilograms of natural crab species aged 2 to 5 grams were released, with an average of 15.12 kilograms of crabs per mu, about 5,500. In order to help crab farmers raise crabs and promote the development of crab farming, the county departments to help farmers organize more than 10,000 kilos of crabs, to solve the anti-evasion wall of 27 tons of calcium plastic film, and crab artificial breeding technology training many times Classes and lectures, so that crabs basic control of crabs. (Zhou Xianzhang)