论文部分内容阅读
1994年,斗门县养殖罗氏沼虾23335亩,亩产153.3公斤,总产3577吨;平均每公斤交售价38.88元,产值14055万元(其中混养鲢鱼收入140万元),纯收6408.7万元;平均每亩产值6023元,除去生产成本3390元,纯收2633元。1993年全县养虾面积才7739亩、亩产125公斤、总产967.4吨,1994年养虾面积、单产和总产分别增加了202%、22.6%和270%,加上县外也在扩大养殖面积,人们担心出现虾多价贱,甚至养虾亏本的
In 1994 Doumen County drove 23335 mu of Macrobrachium rosenbergii, with a yield of 153.3 kilograms and a total output of 3577 tons. The average selling price per kilogram was 38.88 yuan and the output value was 140.55 million yuan (including polyculture silver carp income 1.4 million yuan), net harvest of 6408.7 Million; the average output value of 6023 yuan per mu, remove the production cost of 3390 yuan, net income of 2633 yuan. In 1993, the area of shrimp farming in the entire county was 7739 mu, with a yield of 125 kg per mu and a total output of 967.4 tons. In 1994, the area of shrimp farming was increased by 202%, 22.6% and 270% respectively, with the exception of the county Aquaculture area, people are worried about the emergence of shrimp cheap, and even shrimp loss