?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Soil+erosion+potential+of+organic+versus+conventional+farming+evaluated+by+USLE+modelling+of+cropping+statistics+for+agricultural+districts+in+Bavaria%0D%0A&rft.creator=Auerswald%2C+Karl&rft.creator=Kainz%2C+Max&rft.creator=Fiener%2C+Peter&rft.subject=+Crop+combinations+and+interactions&rft.subject=+Soil&rft.subject=+Air+and+water+emissions&rft.description=Organic+agriculture+(OA)+aims+to+identify+a+production+regime+that+causes+less+environmental+problems+than+conventional+agriculture+(CA).+We+examined+whether+the+two+systems+differ+in+their+susceptibility+to+soil+erosion+by+water.+To+account+for+the+large+heterogeneity+within+the+rotations+practised+on+different+farms%2C+we+chose+a+statistical+evaluation+which+modelled+erosion+using+the+USLE+method+from+the+cropping+statistics+for+2056+districts+in+Bavaria+(70+547+km2%3B+29.8%25+arable).+Physical+conditions+of+erosion%0D%0Awere+determined+in+a+rectangular+grid+yielding+13+125+grid-cells+of+c.+5+km2+each.+For+validation%2C+erosion+was+measured+in+10+sub-watersheds+on+two+neighbouring+OA+and+CA+farms+over+8+years+(287+erosive+events).+On+average%2C+about+15%25+less+erosion+on+arable+land+was+predicted+for+OA+than+for+CA+due+to+the+larger+area+of+leys%2C+although+OA+occupies+areas+that+are+susceptible+to+erosion+more+often+than+CA.+The+same+conclusions+could+be+drawn+from+the+validation+data.+These+data+also+demonstrated+that+erosion+could+be+reduced+considerably+below+1+t+ha%C3%82%C2%B11+yr%C3%82%C2%B11+with+best+management+practices+under+both+farming+systems.+In+contrast%2C+at+the+countrywide+scale%2C+cropping+did+not+change+adequately+with+site+conditions+favouring+erosion.+The+need+for+erosion+control+seems+not+to+in%C3%82%C2%AFuence+crop+rotation+decisions+on+erosion-prone+sites.&rft.date=2003&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F6859%2F1%2F2003_Auerswald-SUM.pdf&rft.identifier=Auerswald%2C+Karl%3B+Kainz%2C+Max+and+Fiener%2C+Peter+(2003)+Soil+erosion+potential+of+organic+versus+conventional+farming+evaluated+by+USLE+modelling+of+cropping+statistics+for+agricultural+districts+in+Bavaria.+Soil+Use+and+Mangemement%2C+19%2C+pp.+305-311.&rft.relation=http%3A%2F%2Forgprints.org%2F6859%2F