?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=D+R&rft.au=Butler%2C+D+R&rft.aulast=Butler&rft.atitle=A+weather-based+scheme+to+advise+on+limited+chemical+control+of+groundnut+leaf+spot+diseases+in+India+&rft.title=Experimental+Agriculture&rft.issn=0014-4797&rft.date=2000&rft.volume=36&rft.pages=469-478&rft.issue=4&rft.genre=article