Sustainable agriculture is the practice of farming using principles of ecology, the study of relationships between organisms and their environment. It has been defined as "an integrated system of plant and animal production practices having a site-specific application that will last over the long term:
Satisfy human food and fiber needs
Enhance environmental quality and the natural resource base upon which the agricultural economy depends
Make the most efficient use of non-renewable resources and on-farm resources and integrate, where appropriate, natural biological cycles and controls
Sustain the economic viability of farm operations
Enhance the quality of life for farmers and society as a whole.
http://en.wikipedia.org/wiki/Sustainable_agriculture
Satisfy human food and fiber needs
Enhance environmental quality and the natural resource base upon which the agricultural economy depends
Make the most efficient use of non-renewable resources and on-farm resources and integrate, where appropriate, natural biological cycles and controls
Sustain the economic viability of farm operations
Enhance the quality of life for farmers and society as a whole.
http://en.wikipedia.org/wiki/Sustainable_agriculture
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