?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S+S&rft.au=Snapp%2C+S+S&rft.aulast=Snapp&rft.atitle=Farmer+preferences+and+legume+intensification+for+low+nutrient+environments&rft.title=Plant+and+Soil&rft.date=2002&rft.volume=245&rft.pages=181-192&rft.issue=1&rft.genre=article