TY - BOOK AU - Braun, Arnoud R. ED - African Highlands Initiative. TI - Maintenance and improvement of soil productivity in the highlands of Ethiopia, Kenya, Madagascar, and Uganda: an inventory of spatial a nd non-spatial survey and research data on natural resources and land p roductivity U1 - 631.4209676 21 PY - 1997///] CY - Nairobi, Kenya PB - African Highlands Initiative KW - Soil productivity N1 - "June 1997"--T.p. verso; Includes bibliographical references (p. 102-119) ER -