辽宁省大洼农垦局位于辽河下游,渤海之滨,地势低洼,土质盐碱,是一个以种植水稻为主的国营农场群。近年来,在大搞农田基本建设,不断提高条田标准的基础上,大面积推广了杂交稻,农业生产获得了空前大丰收,一九七九年粮食亩产超千 Liaoning Province Dawa Reclamation Bureau is located in the lower reaches of Liaohe, Bohai Sea, low lying, soil salinization, is a state-owned farms to grow rice-based. In recent years, on the basis of extensively popularizing farmland infrastructures and continually raising the standards of the fields, the large-scale popularization of hybrid rice has yielded unprecedented bumper harvests in agriculture. In 2007, grain output per mu exceeded 1000