商品型生态农业按照传统的作物系统、林果系统与草牧系统的内在关系,使其结合而形成了高一级的结构功能体—耦合系统,因而能够产生较大的耦合效应。黄土丘陵区商品型生态农业有3种模式类型,系统的耦合效应主要表现在产业结构的调整和优化、生态环境的改善、社会要素及其基础设施的改善等方面。在黄土丘陵区商品型生态农业系统的建设过程中,必须优化商品型生态农业产业结构,提高其耦合的功能效应,并扶持相关产业、措施发展。; Ecological Agriculture with Commodity Economy is a higher level body of Structure and function which is based on the inherent relationship among the traditional Crop system,Orchard system and Grass grazing system,that is to say,it is Coupling system.the Ecological Agriculture with Commodity Economy has three mode models,the system coupling effects is mainly revealed in the industrial structure adjustment and optimization,improvement of the ecological environment,social factors and the improvement of infrast...
修改评论