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为了保护生态环境,作者指出在大力推选退耕还林还草的同时,还需大力发展保护性耕作法,发展机械化可持续农业。
In order to protect the ecological environment, the author points out that while vigorously recommending the conversion of cropland to forest and grassland, we must vigorously develop the conservation tillage method and develop mechanized and sustainable agriculture.