Yes, it’s called hydroponics. You can find hydroponic tomatoes at most grocery stores, but other crops, as varied as wheat, rice, peas and lettuce, can be grown in such a manner. Basically the roots of a plant are suspended in water or in a light substrate, not soil, and given the proper nutrients. Some believe that hydroponics will be invaluable to meeting future food needs. As crops grown this way can produce more product, quicker, in a controlled environment, where water and nutrients can be reused, reducing waste.
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