?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J&rft.au=Nyamangara%2C+J&rft.aulast=Nyamangara&rft.atitle=Effect+of+soil+fertility+management+strategies+and+resource-endowment+on+spatial+soil+fertility+gradients%2C+plant+nutrient+uptake+and+maize+growth+at+two+smallholder+areas%2C+north-western+Zimbabwe&rft.title=South+African+Journal+of+Plant+and+Soil&rft.issn=0257-1862&rft.date=2011&rft.volume=28&rft.pages=1-10&rft.issue=1&rft.genre=article