Farming

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Aquaponics—Integration of Hydroponics with Aquaculture
A Publication of ATTRA—National Sustainable Agriculture Information Service • 1-800-346-9140 • www.attra.ncat.org By Steve Diver NCAT Agriculture Specialist Published 2006 Updated by Lee Rinehart, NCAT Agriculture Specialist © 2010 NCAT Aquaponics is a bio-integrated system that links recirculating aquaculture with hydroponic vegetable, flower, and/or herb production. Recent advances by researchers and growers alike have turned aquaponics into a working model of sustainable food production. This publication provides an introduction to aquaponics with brief profiles of working units around the country. An extensive list of resources points the reader to print and Web-based educational materials for further technical assistance.

Introduction
Contents
Introduction ..................... 1 Aquaponics: Key Elements and Considerations ............... 2 Aquaponic Systems ...... 3 Organic Aquaculture .................. 11 Evaluating an Aquaponic Enterprise ........................ 12 References ...................... 13 Resources ....................... 13 Appendix I: Bibliography on Aquaponics ............. 20 Appendix II: Dissertations ................. 25

A

quaponics, also known as the integration of hydroponics with aquaculture, is gaining increased attention as a bio-integrated food production system. Aquaponics serves as a model of sustainable food production by fol low ing certain principles: • The waste products of one biological system serve as nutrients for a second biological system. • The integration of fish and plants results in a polyculture that increases diversity and yields multiple products. • Water is re-used through biological filtration and recirculation. • Local food production provides access to healthy foods and enhances the local economy. In aquaponics, nutrient-rich effluent from fish…...

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