Macartney, John Carroll Studies on the effects of different cultivation techniques on crop e stablishment, yield and soil water relationships in Tanzania/ John C arroll Macartney - Kampala: Makerere University, 1970 - 326 l.: ill., photos (in pocket); 26 cm. Thesis (Ph.D) - Makerere University, 1970 Subjects--Topical Terms: Crop yieldsAgriculture--TanzaniaTollage--Research