Enlace original:
https://cgspace.cgiar.org/handle/10568/72898
Margenot, Andrew J.
,
Singh, Bal Ram
,
Rao, Idupulapati M.
,
Sommer, Rolf
,
[Phosphorus fertilization and management in soils of Sub-Saharan Africa]
,
Phosphorus fertilization and management in soils of Sub-Saharan Africa