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Originally from: Farmtalking
                        
For Release: 13 Feb 2004

Organisation:Elhuyar Fundazioa

The growing of cereal crops without recourse to fertiliser application or weeding, but alternatively rotating with vetch and fallow, together with returning the straw to the soil after the harvest, increases the production yield two-fold with respect to the conventional mode of growing crops, with its use of chemical additives and herbicides.

http://www.alphagalileo.org/index.cfm?fuseaction=readRelease&ReleaseID=17042