Agroecological innovations : increasing food production with participatory development / edited by Norman Uphoff. - London : Earthscan Publications, 2002. - xviii, 306 p. ill., maps ; 24 cm. Includes bibliographical references and index. ISBN: 185383856X 1853838578 (pbk.) Subjects--Topical Terms: Agricultural innovations.Agricultural ecology.Agricultural productivity. Dewey Class. No.: 338.16 NOR-A ECO GF-627