@PROCEEDINGS {MICHIEKA:1979, title = {Control of pennisetum purpurium schum in no-tillage maize (Zea mays L.)}, author = {Michieka, R. W. and Akobundu, I. }, booktitle = {Weed Society of Nigeria, Ninth Annual Conference, December 2-5 ,1979}, year = {1979}, month = {December}, }