Peasant's production systems and their [!] knowledge of soil fertility and its maintenance
Subtitle: the case of Iringa District, Tanzania
By: Helle Munk Ravnborg
Series: CDR working paper -- 90.1
Publisher: Centre for Development Research
Published: 1990
Place of publication: Copenhagen, Denmark
Language: eng
Number of pages: 44
Notes: Includes bibliographical references (p. 44).