Henson, Henry Michael George Aspects of green manuring with special reference to soil carbon diox ide evolution/ by Henry Michael George Henson - Kampala: University of East Africa, 1969 - 188 l.: ill., photos.; 27 cm. Thesis (M.Sc.) - University of East Africa, 1969 Includes bibliographical references (l. 179-188) Subjects--Topical Terms: Green manuringSoil fertility