本地纯净下载
纯净官方版c7官方网站入口下载吉林省结合各地生产实际,综合利用化肥农药减量增效行动、农业生产废弃物回收利用、农田生态环境整治、种养循环一体化发展等污染防治手段和科学休耕轮作、调整种植结构等农艺调控方法,恢复和提升黑土地地力。这些经验在越来越多的黑土区得到推广应用。。
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