TY - BOOK AU - Walker,T.S. AU - Hash,Tom AU - Rattunde,Fred AU - Weltzien,Eva TI - Improved crop productivity for Africa's drylands T2 - A World Bank study SN - 9781464808968 (pbk.) AV - S616.A357 W35 2016 U1 - 630.915/40967 23 PY - 2016/// CY - Washington, D.C. PB - World Bank KW - Arid regions agriculture KW - Africa, Sub-Saharan KW - Crop yields N1 - Includes bibliographical references UR - http://elibrary.worldbank.org/doi/book/10.1596/978-1-4648-0896-8 ER -