» Alberta Reduced Tillage Linkages    Sustainable cropping and direct seeding information featuring a larger agronomy library.    http://www.reducedtillage.ca/

» No--Till.com    Brief information and a collection of links about the practice.    http://www.no--till.com/

» No-Till Farmer Newsletter Online    Providing the world's no-tillage farmers with ideas, inventions, techniques and industry news.    http://www.lesspub.com/ntf

» No-Tillage Farming for Sustainable Land Management    Detailed FAO account of how soil erosion and other problems have been alleviated in Brazil.    http://www.fao.org/docrep/007/ae371e/ae371e00.htm

» Pacific Northwest Direct Seed Association    Information regarding direct deeding farming methods. This site supports both growers and the extended industry. The environmental impact of these methods are also discussed.    http://www.directseed.org

» Reducing Nitrate in Water Resources with Modern Farming Systems    Account of research showing lower rates of nitrate leaching from soil with reduced tilling practices.    http://www.idea.iastate.edu/idea/marketplace/pdf/fs_waving.pdf

» Rolf Derpsch    Information about reduced tillage and no tillage practices, links to publications.    http://www.rolf-derpsch.com/

» Steep III (Solutions To Environmental and Economic Problems)    Information on conservation tillage practices in the Pacific Northwest.    http://pnwsteep.wsu.edu/