Alternatives to slash-and-burn agriculture : symposium ID-6 : 15t h International Soil Science Congress, Acapulco, Mexico, 1994 - International Congress of Soil Science 1994 : Acapulco , Mexico); Sanchez, Pedro A., 1940-; Van Houten, Helen; International Centre for Research in Agroforestry; International Society of Soil Science (Nairobi, Kenya : International Centre for Research in Agroforestr y ; Wien, Austria : International Society of Soil Science)
Includes bibliographical references.
Keywords: Shifting cultivation; Cropping systems -- Congresses