@INBOOK {NZIGUHEBA:2005a, title = {Organic phosphorus dynamics in tropical agroecosystems}, author = {Nziguheba, G. and Buenemann, E. }, editor = {Turner, B. and Frossard, E. and Baldwin, D. }, year = {2005}, type = {Organic phosphorus in the environment}, pages = {243--268}, publisher = {CABI}, }