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.

SB126.57 / .N98 2000

631.422096