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hy·dro·pon·ics (hº”dr…-p¼n“¹ks) n. (used with a sing. verb). Cultivation of plants in nutrient solution rather than in soil. --hy”dro·pon“ic adj.--hy”dro·pon“i·cal·ly adv.--hy”dro·pon“i·cist (-¹-s¹st) or hy”dro·pon“ist (hº”dr…-p¼n“¹st, hº-dr¼p“…-h¹st) n.
Sorry, not trying to be a smart-ass. But that sums it up. Mixing air and nutrients gives the roots everything it needs to thrive. No need to spend energy overcoming the friction of the soil on the roots. It seems to work well.
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