?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+C+S&rft.au=Reddi%2C+K+C+S&rft.aulast=Reddi&rft.atitle=Effect+of+nitrogen+level+and+spacing+on+sorghum+intercropped+with+pigeonpea+and+greengram+in+semi-arid+lands&rft.title=Indian+Journal+of+Agricultural+Sciences&rft.issn=0019-5022&rft.date=1980&rft.volume=50&rft.pages=17-22&rft.issue=1&rft.genre=article