?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+G&rft.au=Mula%2C+M+G&rft.aulast=Mula&rft.atitle=Influence+of+spacing+and+irrigation+on+seed+production+of+medium-duration+pigeonpea+hybrid&rft.title=Green+Farming&rft.date=2011&rft.volume=2&rft.pages=24-26&rft.issue=1&rft.genre=article