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为解决辽宁省种植制度中光、热等自然资源一季有余 ,两季不足的问题 ,各地科技工作者及广大农民因地制宜 ,研究创造了多种复种模式 ,在深入调查研究之后 ,现总结整理出来 ,供生产推广。
In order to solve the problem of insufficient natural resources such as light and heat in the planting system of Liaoning Province in more than one season and two quarters, various scientific and technological workers and peasants in various places have created a variety of multiple cropping models in light of the local conditions. After thorough investigation and study, For production promotion.