@PROCEEDINGS {AKOBUNDU:1980h, title = {An assessment of weed interference in white yam (Dioscorea rotundata Poir)}, author = {Akobundu, I. and Unamma, R. P. A. }, booktitle = {First Triennial Root Crops Symposium, Ibadan, 8-12 September}, year = {1980}, note = {RTB; Root and Tuber; Yam}, }