@ARTICLE {NGAKOU:2007b, title = {Arbuscular-mycorrhizal fungi, rhizobia and Metarhizium anisopliae enhance P, N, Mg, K and Ca accumulatons in fields grown cowpea}, author = {Ngakou, A. * and Nwaga, D. * and Nebane, C. L. N. * and Ntonifor, N. and Tamo, M. and Parh *, I. }, journal = {Journal of Plant Sciences}, year = {2007}, volume = {2}, number = {5}, pages = {518--529}, }