European Conservation Agriculture Federation (ECAF)
http://www.ecaf.org
European Crop Protection
http://www.ecpa.eu/
FAO CONSERVATION AGRICULTURE
http://www.fao.org/ag/ca/
USA Conservation Technology Information Center
http://www.ctic.purdue.edu
Baltic Sea Watershed Protection
http://www.greatlakesbalticseapartnership.org
Canada, Saskatchewan Soil Conservation Association (SSCA)
http://www.ssca.ca/
No- Tillage, Sustainable Agriculture in the New Millennium
http://www.rolf-derpsch.com/
World Association of Soil and Water Conservation
http://www.waswc.org/
USA, Pacific Northwest DirectSeed Association (PNDSA)
http://www.directseed.org/
USA, South Dakota No-till Association
http://www.sdnotill.com/
USA, No-till Farmer -magazine
http://www.no-tillfarmer.com/
Canada, Alberta - The Reduced Tillage Linkages (RTL)
http://www.reducedtillage.ca/
Manitoba - North Dakota Zero Tillage Farmer's Association
http://www.mandakzerotill.org/
Soil and Water Conservation Society (SWCS)
http://www.swcs.org
European Society for Soil Conservation
http://www.essc.sk/