In every region of the world, the intensification of crop-based agriculture has been associated with a sharp increase in the use of chemical fertilizer. Given the generally low levels of fertilizer use in Africa, there can be little doubt that fertilizer use must increase in Africa if the region...

Agriculture is growing in Sub-Saharan Africa (SSA), but the growth is precarious. In most countries, it has yet to reach the sustained 6% annual rate estimated by NEPAD as necessary to meet the Millennium Development Goal of cutting poverty in half by 2015. Growth needs to be accelerated,...