The utilization of agricultural machinery represents the main aspect contributing to total energy input in system. trials were achieved using five tractor speeds(3.6, 5.4, 7.2, 9.0 and 10.8 km/hr) tillage depths(10, 15, 20, 25 30 cm) determine implement speed at different depths for 3-bottom disc plough, spring tine cultivator offset harrow on a clay loam soil. design experiment used two factor...