TY - BOOK AU - Van Kauwenbergh,Steven J. TI - Fertilizer raw material resources of Africa SN - 9780880901581 AV - S633.5.A35 V36 2006 PY - 2006/// CY - Muscle Shoals, Ala. PB - IFDC KW - Fertilizers KW - Africa KW - Fertilizer industry N1 - Includes bibliographical references ER -