论文部分内容阅读
为了调整水产养殖品种结构,促进水产养殖业的快速发展,2002年3月~10月,我们在甘肃省临洮县衙下村租用2公顷水草塘,从山东省东营市引进中华绒螯蟹扣蟹,按照无公害水产品生产标准进行自然生态养殖,取得了很好的经济效益,亩产平均规格为150g的优质河蟹42kg,产值2940元,利润达1970
In order to adjust the structure of aquaculture species and promote the rapid development of aquaculture, from March to October 2002, we rented a 2-hectare aquatic pond in Yashatun Village, Lintao County, Gansu Province, introduced mitten crabs from Dongying City, Shandong Province, In accordance with the production standards of pollution-free aquatic products for natural ecological farming, and achieved good economic benefits, the average per-mu production of quality crab 42kg, output value of 2940 yuan, the profit of 1970