辽宁省在粮食作物复种方面生产上习惯采用的有:土豆、水稻连作;豌豆、水稻连作;蔬菜、水稻连作和麦槎豆、土豆套玉米、土豆套谷子等类型。稻麦连作在辽宁省还是解放以后才开始的,虽然在生产实践或科学研究中做了不少试验,但所得的结果并不完全一致。有人主张稻麦连作在辽南、旅大地区可以成功,旅大北部地区不易成功;也有人主张稻麦连 Liaoning Province, the production of food crops in the areas of habitual use are: potatoes, rice continuous cropping; peas, rice continuous cropping; vegetables, rice and wheat Mackerel, potato sets of corn, potato sets of millet and other types. Although rice and wheat farming started after the liberation of Liaoning Province, many experiments have been done in production practice or scientific research, but the results obtained are not exactly the same. Some people claim that the cooperation between rice and wheat in Liaonan, Luda area can be successful, Luda northern region is not easy to succeed; some people claim that the wheat and wheat even