济宁市李营镇岱庄村村民王志强夫妇利用庭院和房顶建池养金鱼,一个院落进行四层次种、养殖生产,1992年饲养金鱼一万多尾,年收入一万多元,为我市发展庭院经济带了个好头。其具体做法是:自1990年开始,在院内建造一个深半米,面积70平方米的砖砌鱼池,在池的两个角上建成几个0.5—3米~2的浅小水泥池。大池外周种植葡萄树,架于房前和院内四周,又在平坦的房顶上,用砖和水泥砌成小鱼池8个,面积0.5—5m~2,深0.3米左右。总计,王志强在院落房顶共建成各类型的金鱼池140m~2。王志强养殖金鱼是从不懂到懂逐 Wang Zhiqiang, a villager of Daizhuang Village, Liying Town, Jining City, made use of the courtyard and the roof to build a pool of goldfish. One courtyard was used for four-layer planting and breeding. In 1992, more than 10,000 goldfish were raised and the annual income was more than 10,000 yuan. Courtyard economy brought a good head. In practice, a half-meter, 70-square-meter brick fish pond has been built in the hospital since 1990, and several shallow small-sized concrete pools of 0.5-3 m 2 have been built on both sides of the pond. The outer periphery of the big pond is planted with grapevines. It is built around the front of the house and around the hospital. On the flat roof, 8 small ponds are built with bricks and cement. The area is 0.5-5m ~ 2 and the depth is about 0.3m. In total, Wang Zhiqiang in the courtyard roof built a total of various types of goldfish pond 140m ~ 2. Wang Zhiqiang farmed goldfish do not understand to understand