Aquaponics: Are Fish the Future of Organic Farming?

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Parcs Holman speaks with a rambling conviction about the mechanics and advantages of aquaponics. “It’s totally the future,” he says. “You’re growing hundreds of pounds of food a year for a fraction of the water and power.” Aquaponics, the growing of plants with roots submerged in water, is being touted by enthusiasts as the next frontier in urban agriculture.

The system depends on a network of tubes connecting a pond of fish with “rafts” that hold the plants. As the fish create waste, the water circulates to the rafts where tiny bacteria convert it into nutrient-rich plant feed. “It’s just replicating nature,” Holman notes. “Except nature has the sun, and we use a small amount of electricity.” Read more…

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