@PROCEEDINGS {PANDEY:1978e, title = {Nutrient Requirement and Fertilization of Sorghum, Pearl Millet and Wheat with Reference to West African Savanna}, author = {Pandey, S. J. }, booktitle = {Paper given at the Fertilizer use in Tropics}, year = {1978}, month = {December}, organization = {IITA}, address = {Ibadan}, }