Soil erosion control and agroforestry in the West Usambara Mountains
Subtitle: evaluation of an extension approach
By: by Reinhard Woytek [et al.].
Contributors: Centre for Advanced Training in Agricultural Development.
Series: Schriftenreihe des Fachbereichs Internationale Agrarentwicklung -- no. 11
Publisher: Verlag Josef Margraf
Published: 1987
Place of publication: Aichtal
Language: eng
Notes: On cover: Technische Universitat Berlin, Fachbereich Internationale Agrarentwicklung, Seminar fur Landwirtschaftliche Entwicklung.