TY - BOOK AU - Kassam,A.H. TI - Conservation agriculture for Africa: building resilient farming systems in a changing climate SN - 9781780645681 (hbk : alk. paper) AV - S472.A1 2017 U1 - 338.1096 23 PY - 2017/// CY - Nosworthy Way PB - CAB International KW - Sustainable agriculture KW - Africa N1 - Includes bibliographical references and index ER -