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基地:要求果树所处环境的大气、水体、土壤中有害物质符合国家允许的标准,果园周围没有工业企业的直接污染,河流的上游无排放有毒有害物质的工厂。
Base: Requires that the atmosphere of the environment in which the fruit trees are located, water bodies and harmful substances in the soil comply with the standards allowed by the State. There is no direct pollution of industrial enterprises around the orchards and no toxic and harmful substances in the upper reaches of rivers.