?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+prevention+of+potato+volunteers+in+organic+farming+systems+by+using+pigs.&rft.creator=+Hospers-Brands%2C+M.Sc.+A.J.T.M.&rft.creator=Bremer%2C+B.Sc.+E.G.H.&rft.creator=Lammerts+van+Bueren%2C+Ph.D.+E.T.&rft.subject=+Production+systems&rft.subject=+Root+crops&rft.subject=+Pigs&rft.description=In+organic+agriculture+potato+volunteers%2C+presenting+an+important+primary+inoculum+source+for+late+Blight+(Phytophthora+infestans)%2C+are+controlled+by+mechanical+meth-ods.+These+may+be+partly+replaced+by+%C3%A2%C2%80%C2%98foraging%C3%A2%C2%80%C2%99+livestock+animals%2C+such+as+cattle%2C+sheep%2C+horses%2C+ponies+or+pigs.+Most+animals+eat+only+the+remaining+potatoes+on+the+field+surface%3B+however%2C+pigs+also+dig+up+potatoes.+This+paper+reports+on+two+experi-ments+with+pigs+(sows+or+finishing+pigs)%2C+which+appear+to+be+very+effective+in+digging+up+potatoes+that+are+left+in+the+field+after+the+potato+harvest+within+a+reasonable+time+period.+However%2C+the+workload+for+the+farmer%2C+problems+with+animal+health+and+meat+quality+and+possible+damage+to+the+soil+structure+seriously+limit+the+applicability+of+pigs+for+the+control+of+potato+volunteers.+Aspects+of+animal+health%2C+animal+nutrition+and+environmental+aspects+(nutrient+excretion)+are+discussed.&rft.date=2006&rft.type=Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F10353%2F1%2FPrevention_of_potato_volunteers_with_pigs.pdf&rft.identifier=Hospers-Brands%2C+M.Sc.+A.J.T.M.%3B+Bremer%2C+B.Sc.+E.G.H.+and+Lammerts+van+Bueren%2C+Ph.D.+E.T.+(2006)+The+prevention+of+potato+volunteers+in+organic+farming+systems+by+using+pigs.+[+Unpublished%2C+]&rft.relation=http%3A%2F%2Forgprints.org%2F10353%2F