?url_ver=Z39.88-2004&rft_id=10.1186%2Fs40066-017-0094-8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S+S+J&rft.au=Buah%2C+S+S+J&rft.aulast=Buah&rft.atitle=Tillage+and+fertilizer+effect+on+maize+and+soybean+yields+in+the+Guinea+savanna+zone+of+Ghana&rft.title=Agriculture+%26+Food+Security&rft.issn=2048-7010&rft.date=2017&rft.volume=6&rft.pages=1-11&rft.issue=17&rft.genre=article