有机耕作法的支持者认为，化学肥料和杀虫剂有害健康，且污染环境，不是良好的收成所必需。
Chemical fertilizers and pesticides are regarded by supporters of organic methods as harmful to health and the environment and unnecessary for successful cultivation.
垂直农业将仅仅依靠使用营养液的有机农业技术，这意味着不使用农药和化学肥料，也没有污染物流入到下水道。
Vertical farms will rely solely on hydroponic organic farming techniques, which means no pesticides, synthetic fertilizers and no pollution injected into waterways.
但化学肥料尤其是氮肥施用量过多，极易导致产品质量下降、环境污染等问题。
But the use of much fertilizer results in decreasing of quality and a series of serious entironment problems.
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