TY - BOOK AU - Young,Anthony TI - Land resources: now and for the future SN - 9780521785594 AV - HD111 .Y68 1998 PY - 1998/// CY - New York PB - Cambridge University Press KW - Sustainable development KW - Agricultural conservation KW - Land resources N1 - Includes bibliographical references (p. 302-312) and index ER -