@PROCEEDINGS {UTULU:1978, title = {An Evaluation of CDA Herbicide Sprayer in a Tropical Environment}, author = {Utulu, S. N. and Akobundu, I. }, booktitle = {Presented at the International Weed Science Conference, July 3 - 7, 1978}, year = {1978}, organization = {IITA}, address = {Ibadan}, }