?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=G&rft.au=Alagarswamy%2C+G&rft.aulast=Alagarswamy&rft.date=1983&rft.title=Biomass+and+harvest+index+as+indicators+of+nitrogen+uptake+and+translocation+to+the+grain+in+sorghum+genotypes&rft.genre=proceeding