Hydroponic farming is a method of agriculture that does not use soil, but only nutrients and water, some approaches apply growing media as well. (U.S. Department of Agriculture n.d.)


U.S. Department of Agriculture. n.d. “Hydroponics.” Alternative Farming Systems Information Center. Accessed June 7, 2021. https://www.nal.usda.gov/afsic/hydroponics.

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