@book{f240d93389504671b41e609e2f7e485c,
title = "African soils: their productivity and profitability of fertilizer use : background paper for the African Fertilizer Summit 9-13th June 2006, Abuja, Nigeria",
keywords = "bodemvruchtbaarheid, afrika, kunstmeststoffen, landdegradatie, soil fertility, africa, fertilizers, land degradation",
author = "A. Bationo and A.E. Hartemink and O. Lungo and M. Naimi and P. Okoth and E.M.A. Smaling and L. Thiombiano",
year = "2006",
language = "English",
series = "Background papers",
publisher = "IFDC",
}