肇东市东发办事处青山村有人口 2 70 1人 ,水田 51 4 0亩。 2 0 0 4年 ,全村稻田养蟹面积为1 80 0亩 ,占全村水田面积的 3 5%。预计全村河蟹总产量可达 2 .7万kg,实现产值 65万元 ,纯收入 3 4.2万元 ,亩纯增收 1 90元。主要做法 :1　典型示范稻田养殖河蟹之初 ,很多农民心里不 Zhaodong East Development Office Castle Peak Village has a population of 2 70 1 people, paddy fields 51 4 0 acres. In 2004, the entire village crab area of ​​paddy field of 1 80 0 acres, accounting for 35% of the village paddy field area. The total output of crabs and crabs in the village is estimated to reach 27,000 kg, with a production value of 650,000 yuan, a net income of 32,400 yuan, and a net increase of 119 yuan in mu alone. The main approach: A typical demonstration of rice crab culture at the beginning of the farm, many farmers do not mind