@INBOOK {VANLAUWE:2012, title = {Organic matter availability and management in the context of integrated soil fertility management in sub-Saharan Africa}, author = {Vanlauwe, B. }, series = {Issues in Environmental Science and Technology}, year = {2012}, volume = {35}, pages = {135--157}, chapter = {6}, publisher = {The Royal Society of Chemistry (RSC)}, address = {London, UK.}, isbn = {978-1-84973-426-4}, url = {www.rsc.org}, }