TY - BOOK AU - Hall,Anthony E AU - Cannell,Glen H. AU - Lawton,Harry W. TI - Agriculture in semi-arid environments SN - 3540094148 PY - 1979/// CY - New York PB - Springer-Verlag Berlin Heidenberg KW - Dry farming KW - Arid regions agriculture N1 - Includes bibliographical references and index; Open access ER -