Field crop production in tropical Africa : principles and practice - Onwueme, I. C.; Sinha, T. D.; Technical Centre for Agricultural and Rural Cooperation (Ede, Netherlands) (Ede, Netherlands : CTA, 1991)
Includes bibliographical references (p. 463-468) and index.
Keywords: Field crops -- Africa, Sub-Saharan.; Tropical crops -- Africa, Sub-Saharan.