@ARTICLE {AJEIGBE:2006a,
title = {Effect of planting pattern, crop variety and insecticide on the productivity of cowpea-cereal systems in Northern Guinea Savanna of Nigeria},
author = {Ajeigbe, H. and Oseni, T. and Singh, B. },
journal = {Journal of Food, Agriculture and Environment},
year = {2006},
volume = {4},
number = {1},
pages = {145--150},
issn = {1459-0255},
}