Soil fertility and land productivity : a guide for extension workers in the eastern Africa region - Gachene C. K. K. Charles K. K. Gachene; Gachene, C. K. K.; Kimaru, Gathiru; Sweden. Regional Land Management Unit. (Nairobi : Regional Land Management Unit, 2003)
Includes bibliographical references.
Keywords: Soil fertility -- Africa, Eastern; Soil productivity -- Africa, Eastern