S.N. Azma-Ali Principles of Tropical Agronomy - Wallingford CABI Publishing 2002 - 236p S.N. Azma-Ali & G.R. Squire: Principles of Tropical Agronomy. Wallingford. CABI Publishing, 2002. 0-85199-136-X--(630AZM) ENGLISH ISBN: 0-85199-136-X Dewey Class. No.: 630 / AZA