南方丘陵区循环农业技术支撑体系构建

循环农业是以农业生态系统能量高效利用、物质的科学、充分循环为目标，按照“资源一农产品一农业废弃物一再生资源”反馈式流程组织农业生产，使生产过程中上一环节所产生的副产品成为下一环节的“原料”，形成范围大小不同、层次高低不同的循环利用的可持续农业。循环农业的发展是一个由初级阶段不断向高级阶段推进的过程。

Pen talk on circular economy and modern agriculture

According to the need of cooperation construction of ＂building two-oriented society＂ and modern agriculture,we hold a pen talk with the research society of Hunan circular economy encircling the theme of ＂circular economy and modern agriculture＂.Prof.Li mingxian discusses the technology bar and alternative strategies which hinder China’s low-carbon agriculture.After analyzing the connotation and the development background of low-carbon agriculture,she proposes that China should use exterior effect to popularize and apply low-carbon alternative technology when low-carbon agriculture comes across many difficulties.Prof.Liu chunyang discusses the fact that the number of China’s circular economy talents is seriously adequate.He raises some suggestion to solve the training issue of agricultural talents,namely encircling the point of breaking ＂Downs Problem＂ and fastening the steps of training agricultural talents so as to make people from different quarters realize the importance of the circular agriculture.Prof.Huang huang analyzes the difficulties that Hunan met in the course of construction ecological agriculture in the test zone.He says that government should plan the test zone comprehensively,optimize the service system,promoting the green agriculture.Research fellow Cai lixiang mainly discusses the technical supporting system in hilly area in southern China,he suggests to resolve key technical challenge in the ecosystem inside and outside the paddy field cycle,to raise the utilization rate of resources,enhance the feed efficiency,to reduce the emission and to construct technical support system of circular agricultural in hilly area in southern China.