relating to or grown using a method of growing plants in water, sand, or gravel (= very small stones) to which liquid chemical plant foods are added, rather than growing them in earth

Green beans and cucumbers are suitable for hydroponic cultivation.

Hydroponic farming requires less water and less land than traditional field farming. 与传统的田间农业相比，水耕农业需要的水和土地都较少。

We use hydroponic tomatoes grown here in southern Arizona. 我们选用的是产自南亚利桑那州的水培西红柿。