Arugu, Reuben Eze. A study of the physiological determinants of yield in maize (Zea May s L.) including observations on regulation of cob position / by Reub en Eze Arugu. - Kampala : Makerere University, 1973. - 56 p. ; ill., plates ; 36 cm. Dissertation (BSc. Agric.) -- Makerere University, 1973 Includes bibliographical references ( p.47-52) Subjects--Topical Terms: Corn --Seeds.------Corn --Breeding.------Corn --Physiology.------