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北方农村“四位一体”能源生态模式是辽宁省农业科技工作者在群众实践基础上研制出的高产、优质、高效农业生产模式。它以土地资源为基础,以太阳能为动力,以沼气建设为纽带,通过生物质能转换技术,在农户庭院或田园,将沼气池、畜(禽)舍、厕所、日光温室组合在一起,构成“四位一体”能源生态综合利用体系,从而在同一块土地上,实现产气、积肥同步,种植、养殖并举,能流、物流良性循环。该技术于1996年通过农业部组织的专家鉴定,为“国内领先”,并被国家科委列为全国重大科技推广项目之一;1997年被
The “four in one” eco-energy model in the rural areas of North China is a high-yield, high-quality and highly efficient agricultural production mode developed by agricultural scientists and technicians in Liaoning Province on the basis of mass practice. It is based on land resources, solar-powered, biogas construction as a link, through biomass energy conversion technology, in the farmer’s courtyard or garden, the digester, livestock (poultry) homes, toilets, solar greenhouse combine together to form “Four in One” comprehensive utilization of energy and ecological system, so in the same piece of land, to achieve gas production, fertilizer synchronization, planting, breeding simultaneously, energy flow, logistics and virtuous circle. The technology was appraised by experts organized by the Ministry of Agriculture in 1996 as “leading in China” and was listed as one of the major national science and technology promotion projects by the State Science and Technology Commission. In 1997,