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滦南县国营对虾养殖一场,1985年滩涂养殖对虾获大面积丰产。全场22个对虾精养池,688亩水面,6月中旬投放虾苗后,到9月底至10月上旬陆续出池,共收获对虾19万斤,平均亩产276斤,其中11、12号两个池70亩水面,产对虾2.6万斤,平均亩产370斤。对虾个体大,肥满度好,规格整齐,据测查,86％的体长为13—15公分,最小的11.6公分。全场养虾总收入达百万元,平均每亩收入1450元。扣除成本纯收入45万多元,平均每亩纯收入650多元。他们的主要经验是:
Luannan County, a state-owned shrimp farming, shrimp farming in 1985 was a large area of high-yielding shrimp. The audience of 22 shrimp intensive pool, 688 acres of water, put shrimp in mid-June, after the end of September to early October after another from the pool, a total of 190000 pounds of shrimp harvest, the average yield of 276 pounds, of which 11,12 Two pools of 70 acres of water surface, shrimp production 2.6 million pounds, the average yield 370 pounds. Individual shrimp, fatness is good, neat specifications, according to the survey, 86% of the body length of 13-15 cm, the smallest 11.6 cm. The total shrimp income of millions of yuan, the average income per acre 1450 yuan. After deducting costs net income 450,000 yuan, the average net income per acre 650 yuan. Their main experience is: