当前,蟹农们养殖热情高涨,他们说,“三只河蟹一亩田(指种一亩水稻的收入),一亩河蟹两万元。”养殖河蟹是广大农民一条致富的好门路。但近两年来,长江流域河蟹养殖业却不尽人意。除少数蟹农亩收入仍达万元以上外,大多数蟹农收入锐减,或只能保本,还有不少蟹农亏了本,特别是养 At present, crab farmers are enthusiastic about breeding their breeding grounds. They said: “Three crabs and one mu per acre (referring to the income of one mu of rice) and 20,000 yuan per acre of crab and crab.” Cultivating crabs is a good way for farmers to get rich. However, in the past two years, crab farming in the Yangtze River Basin has been unsatisfactory. In addition to a small number of crab farmers mu income is still above million, the majority of crab farmers plummeted, or only protect the capital, there are many crab farmers loss of this, especially raising