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Arcata Educational Farm
Organic farming is the form of agriculture that relies on crop rotation, compost, biological pest control, mechanical cultivation, and other techniques using natural processes, to maintain soil productivity and control pests. Organic farming excludes or strictly limits the use of synthetic fertilizers, pesticides, and livestock feed additives. Genetically modified organisms are excluded, and organic standards in Britain and Australia exclude engineered nanoparticles.

"Organic agriculture is a production system that sustains the health of soils, ecosystems and people. It relies on ecological processes, biodiversity and cycles adapted to local conditions, rather than the use of inputs with adverse effects. Organic agriculture combines tradition, innovation and science to benefit the shared environment and promote fair relationships and a good quality of life for all involved..." -- International Federation of Organic Agriculture Movements

Organic standards
  • The land must be free of prohibited substances for 3 years prior to organic farming.
  • Seeds should be organic but right now the use of some non-organic seeds is permitted.
  • The use of genetic engineering, sewage sludge, or ionizing radiation is prohibited.
  • Weeds are controlled with management practices and lots of work.
  • Garden pests are handled with integrated pest management practices which include biological, physical, and mechanical controls.
  • Some organic pesticides are permitted.
  • To maintain soil fertility organic farmers use methods such as: crop rotations, cover crops, animal manures, compost, and diversity in crops.
  • Some organic fertilizers are permitted.