?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+V+K&rft.au=Sivakumar%2C+M+V+K&rft.aulast=Sivakumar&rft.atitle=Growth+and+Resource+Use+of+Maize%2C+Pigeonpea+and+Maize%2FPigeonpea+Intercrop+in+an+Operational+Research+Watershed&rft.title=Experimental+Agriculture&rft.issn=0014-4797&rft.date=1980&rft.volume=16&rft.pages=377-386&rft.issue=4&rft.genre=article