TY - BOOK AU - ill. TI - Soil, crop, and water management in the Sudano-Sahelian zone: : Proceedings of an International Workshop 11-16 January 1987, ICRISAT Sahelian Center Niamey, Niger SN - 92-9066-169-0 AV - S5599.5.A1S58 PY - 1989/// CY - Patancheru PB - ICRISAT KW - Soil management Sudan KW - Soil management Sahel congresses KW - Congresses KW - Crops and water Sudan N1 - Includes bibliographical references ER -