TY  - BOOK
AU  - Donovan,W.Graeme
AU  - Casey,Frank
TI  - Soil fertility management in sub-Saharan Africa
T2  - World Bank technical paper,
SN  - 0821342363
AV  - S599.5.A1 D65 1998
U1  - 631.4/22/0967 21
PY  - 1998///
CY  - Washington, D.C.
PB  - World Bank
KW  - Soil fertility
KW  - Africa, Sub-Saharan
KW  - Management
N1  - Includes bibliographical references (p. [53]-60)
UR  - http://elibrary.worldbank.org/doi/book/10.1596/0-8213-4236-3
ER  -