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Over the years, it has become common to understand and define organic agriculture
as farming without synthetic pesticides and conventional fertilizers. This
should not be considered a definition but a characteristic—only
one characteristic of a socially and environmentally conscious approach
to agriculture that is currently experiencing rapid growth in the U.S. (1).
A more suitable definition of organic agriculture is provided by the National
Organic Standards Board (NOSB)—the federal advisory
panel created to advise the USDA on developing organic legislation. The NOSB
defines organics as:
an ecological production management system that promotes and enhances
biodiversity, biological cycles and soil biological activity. It is based
on minimal use of off-farm inputs and on management practices that restore,
maintain and enhance ecological harmony (2).
The NOSB definition, not surprisingly, is similar to many definitions of
sustainable agriculture. Research on organic farms, done over
several decades, has revealed characteristics usually associated with sustainable
farming, such as reduced soil erosion (3), lower fossil fuel consumption (3),
less leaching of nitrate (4), greater carbon sequestration (4) and, of course,
little to no pesticide use.
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