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我国于1980年就开始了黄土高原机械整地造林机具的研制,为了推广机械整地造林成果,林业部今年又在宁夏的西吉,固原两县建立了黄土高原机械整地造林推广样板点。西吉是“三北”防护林体系建设工程
In 1980, China started the development of machinery for land preparation and afforestation in the Loess Plateau. In order to promote the achievements of mechanical afforestation and afforestation, the Ministry of Forestry established a model site for afforestation and afforestation of machinery in the Loess Plateau in Xiji and Guyuan counties in Ningxia this year. Xiji is the “Three Norths” shelterbelt system construction project