The plants suck up all the nitrates and other nutrients from the fish waste and clean the water, and electric pumps circulate the fresh water back to the tanks. This closed loop uses an estimated five percent of the water of traditional agriculture and can yield bigger specimens of fresh vegetables in less time.
sustainable farming
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At the root of good food: Meet Teri Schell
Poor Teri—she absolutely hates attention, but her name constantly pops up as Savannah’s egalitarian food guru