河南省水利厅水产研究所1984年在罗山、桐柏、原阳三县的313亩稻田中开展以草、鲤鱼为主培育大规格鱼种试验。当年8月中旬收鱼割稻,共收获12—15厘米鱼种7000公斤,22.5万尾,成活率为63%,亩均收鱼种719尾,20.25公斤,稻谷462.7公斤,产值203.6元。养鱼稻田比不养鱼稻田亩均增稻 Fisheries Research Institute of Henan Provincial Department of Water Resources 1984 in Luoshan, Tongbai, Yuanyang three counties of 313 acres of paddy fields to carry out the grass, carp mainly breed large-scale species test. In the middle of August of that year, harvesting cuttings of rice was harvested. A total of 22,000 crabs and 225,000 calluses of 12-15 cm were harvested. The survival rate was 63%. 719 trawls, 20.25 kilograms of rice and 462.7 kilograms of paddy were collected per mu, respectively, with an output value of 203.6 yuan. Fish farms than fish do not raise rice acres of rice