Growing Food Locally: Integrating Agriculture into the Built Environments

Enviromental Building News
February, Feb 01, 2009
By Alex Wilson

An excerpt from the article

In an aquaponic system, wastes produced by fish become beneficial fertilizer for hydroponically grown plants. According to Nelson and Pade, Inc., the leading North American firm involved with aquaponics (and publisher of Aquaponics Journal), ammonia-rich fish wastes are broken down by bacteria into nitrate—the form of nitrogen that plants use. This nutrient solution is used in a recirculating hydroponic system—most commonly raft hydroponics but occasionally NFT or Dutch bucket hydroponics. Due to the weight of fish tanks, aquaculture is rarely a rooftop enterprise, though it would be possible to locate the fish tanks at ground level with NFT hydroponics on the roof.

Read the full article

Quote of the Month

Environmental Building News
February, Feb 01, 2009

An excerpt from the article

“Aquaponics has just incredible potential,” Rebecca Nelson, of Nelson and Pade, told EBN, especially if space is tight. “Even an eighth of an acre [500 m2] could be viable for a commercial operation,” she said, making aquaponics a good option in urban areas as long as there is adequate sunlight for the hydroponics.