?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A&rft.au=Ramakrishna%2C+A&rft.aulast=Ramakrishna&rft.atitle=Effect+of+improved+crop+production+technology+on+pigeonpea+yield+in+resource+poor+rainfed+areas.&rft.title=Journal+of+SAT+Agricultural+Research&rft.issn=0973-3094&rft.date=2005&rft.volume=1&rft.pages=1-2&rft.issue=1&rft.genre=article