@ARTICLE {KAMARA:2000a, title = {The effects of mulch from selected multipurpose trees on nitrogen nutrition, growth and yield of maize (Zea mays)}, author = {Kamara, A. and Jutzi, S. and Akobundu, I. and Sanginga, P. }, journal = {Journal of Agronomy and Crop Science}, year = {2000}, volume = {184}, pages = {73--80}, }