Some systems of ecological arable farming which use only organic fertilisers contaminate the soil with levels of cadmium, copper and lead which are twice as high as when a combinat...
http://www.scienceagogo.com/news/19990109225423data_trunc_sys.shtml
Offers alternatives to factory farming by using Maine as an example compared to other states like North Carolina and Iowa.
http://www.mofga.org/mofjun6.htm
Information, ideas, and strategies for activists opposed to factory farming. Topics cover the environmental, health, economic, social and animal welfare costs of large-scale animal...
http://factoryfarm.org/
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