?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N+P&rft.au=Saxena%2C+N+P&rft.aulast=Saxena&rft.atitle=The+role+of+potassium+in+drought+tolerance&rft.title=Potash+Review&rft.date=1985&rft.pages=1-15&rft.issue=5&rft.genre=article