@ARTICLE {OIKEH:1998b,
title = {Nitrogen fertilizer management effects on maize grain quality in the West African moist savanna},
author = {Oikeh, S. and Kling, J. and Okoruwa, A. },
journal = {Crop Science},
year = {1998},
volume = {38},
number = {4},
pages = {1056--1061},
issn = {0011-183X},
}