Bald, Louis D. O. The study of the effects of the interaction between plant density an d fertiliser nitrogen on grain and grain yield components of sorghum cr op / by D. O. Bald Louis - Kampala, 1977 - v, 39 p. : graphs, tables; 34 cm. Dissertation (B.Sc., Agric.) - Makerere University, Includes bibliographic references (p. 37-39) Subjects--Topical Terms: Agriculture --Research------