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Washington Tilth Association

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The Washington Tilth Association (originally the Northwest Tilth Association) is an American nonprofit membership organization dedicated to supporting and advocating organic food and farming.

See also

References

  • Sustainable Farmland Management: Transdiciplinary Approaches. CABI. 2009. ISBN 9781845933517. {{cite book}}: Unknown parameter |editors= ignored (|editor= suggested) (help)
  • Sanders, Jeffery Craig (2010). Seattle and the Roots of Urban Sustainability: Inventing Ecotopia. University of Pittsburgh Pre. ISBN 9780822962106.
  • Tilth (Association) (1982). The Future is Abundant: A Guide to Sustainable Agriculture. Tilth. ISBN 9780931380013.

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