?url_ver=Z39.88-2004&rft_id=0740&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Carter&rft.aufirst=L.M.&rft.au=Carter%2C+L.M.&rft.volume=34&rft.title=Transactions+of+the+ASAE&rft.date=1991&rft.issue=2&rft.pages=354-360&rft.atitle=Zone+production+system+for+cotton%3A+soil+response&rft.genre=article