?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J+V+D+K+K&rft.au=Rao%2C+J+V+D+K+K&rft.aulast=Rao&rft.atitle=An+analysis+of+yield+variation+among+long-duration+pigeonpea+genotypes+in+relation+to+season%2C+irrigation+and+plant+population&rft.title=Journal+of+Agricultural+Science&rft.issn=0021-8596&rft.date=2001&rft.volume=136&rft.pages=291-299&rft.issue=3&rft.genre=article