Njoroge, Isaiah A preliminary study on the effects of Cyperos Rotundus L. on the cot ton plant, and some possibilities of its control by superimposing a hig h and low water / by Isaiah Njoroge - Kampala, 1968 - 24 p. : graphs ; 34 cm. Dissertation (B.Sc., Agric.) - Makerere University, 1968 Includes bibliographic references. Subjects--Topical Terms: Cotton --Weed control --Uganda---- Dewey Class. No.: 633.51