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所谓“四位一体”,是指把猪舍、厕所、沼气池建在同一大棚之中,把可再生能源利用技术同生猪和蔬莱生产有机结合起来,它有利于二者产量和质量的提高,有利于产业化经营,经济效益显著。近几年,“四位一体”节能温室
The so-called “four in one” refers to the pigs, toilets, biogas digesters built in the same greenhouse, the use of renewable energy technologies with pigs and vegetables produce organic production, it is conducive to both yield and quality improvement , Is conducive to industrial management, significant economic benefits. In recent years, “four in one” energy-saving greenhouse