?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Potato+Blight+(Phytophthora+infestans)+field+demonstrations%2C+2004&rft.creator=Frost%2C+D&rft.creator=Clarke%2C+A&rft.subject=Crop+health%2C+quality%2C+protection&rft.subject=+Root+crops&rft.description=The+results+are+presented+of+a+trial+of+28+potato+varieties%2C+including+19+blight-resistant+Sarpo+varieties%2C+at+Llanrhystud+in+Ceredigion.+The+effects+of+compost+tea+preparations+in+protecting+against+blight+were+also+studied.&rft.date=2005-01&rft.type=Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F10843%2F1%2FPotato_blight_field_demonstrations_2004.pdf&rft.identifier=Frost%2C+D+and+Clarke%2C+A+(2005)+Potato+Blight+(Phytophthora+infestans)+field+demonstrations%2C+2004.&rft.relation=http%3A%2F%2Forgprints.org%2F10843%2F