Nutrients on the move :
Nutrients on the move : soil fertility dynamics in African farming systems /
edited by Thea Hilhorst and Fred Muchena.
- London : Drylands Programme, International Institute for Environment and Development, c2000.
- vi, 146 p. : ill., maps ; 24 cm.
Includes bibliographical references.
1899825568
GBA0-36686
Soil fertility--Management.--Africa
Agricultural systems--Africa--Case studies.
Soils--Fertilizer movement--Africa--Case studies.
Management
631.46 HIL
Includes bibliographical references.
1899825568
GBA0-36686
Soil fertility--Management.--Africa
Agricultural systems--Africa--Case studies.
Soils--Fertilizer movement--Africa--Case studies.
Management
631.46 HIL