?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=W&rft.au=Mupangwa%2C+W&rft.aulast=Mupangwa&rft.atitle=Start%2C+end+and+dry+spells+of+the+growing+season+in+semi-arid+southern+Zimbabwe&rft.title=Journal+of+Arid+Environments&rft.issn=0140-1963&rft.date=2011&rft.volume=75&rft.pages=1097-1104&rft.issue=11&rft.genre=article