@MISC {CAVENESS:1975a, title = {Nematode population changes under maize, cowpea and fallow: paper presented at the Second Annual Conference of the Nigerian Society for Plant Protection, Moor Plantation, Ibadan, Nigeria, February 14-16, 1972}, author = {Caveness, F. E. }, year = {1975}, month = {February}, howpublished = {Abstracts of papers presented at the Second Annual Conference of the Nigerian Society for Plant Protection, Federal Department of Agricultural Research, Moor Plantation, Ibadan, Nigeria, February 14-16, 1972}, note = {NSPP abstracts; 1972-1975: occasional publication number 1 of the Nigerian Society for Plant Protection}, }