Alberta Reduced Tillage Linkages: Sustainable cropping and direct seeding information, for Alberta. Site is sponsored by agribusiness companies.No--Till.com: Brief information and a collection of links about the practice.No-Till Farmer Newsletter Online: Providing the world's no-tillage farmers with ideas, inventions, techniques and industry news.No-Tillage Farming for Sustainable Land Management: Detailed FAO account of how soil erosion and other problems have been alleviated in Brazil.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.Reducing Nitrate in Water Resources with Modern Farming Systems: Account of research showing lower rates of nitrate leaching from soil with reduced tilling practices.Rolf Derpsch: Information about reduced tillage and no tillage practices, links to publications.Steep III: Information on conservation tillage practices in the Pacific Northwest.