Patriquin, David G.2012-01-252012-01-251999Patriquin, D.G. 1999. Farms as ecosystems. In: Exploring Organic Alternatives: Meeting the Challenges of Agriculture, Health and Community. Edited by Wordstream Associates. University Extension Press, University of Saskatchewan, Saskatoon. Pages 25-32.http://hdl.handle.net/10222/14422Organic farming provides ecosystem services as well as food. The weakest points of organic farming systems are limited use of livestock and declining genetic resources. Organic farming has special research and service needs. On-farm experimentation is needed to fully optimize each system.enSustainable agricultureLivestockOn-farm experimentationGenetic resourcesOrganic farmingArticle