These floating gardens are proof that the Aztec invented hydroponic farming.
这些漂浮的花园证明阿兹特克人发明了水培农业。
In recent years hydroponic farming has been expanded to many parts of the world.
近几年来，水栽法种树植已在世界许多地区推广。
So, if we were to choose hydroponic farming for most of our crops, we could save a tremendous amount of fresh water.
因此，如果我们要选择水养殖的大部分我们的庄稼，我们就可以节省大量的淡水。
Vertical farms will rely solely on hydroponic organic farming techniques, which means no pesticides, synthetic fertilizers and no pollution injected into waterways.
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.
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。
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