| Abstract: A research was conducted to examine the effect of soil type and operational speed on the performance of some selected agricultural field machineries in South- East Nigeria. Results revealed that the disc plough had maximum field efficiency of 88.11% at a working speed of 6kmhr-1 in clay-loam soil, while in sandy-clay soil; it recorded maximum field efficiency of 87.98% under the same operational speed (6kmhr-1) and in loamy-sandy soil it obtained maximum field efficiency of 87.55% at the speed of 5kmhr-1. The harrow had maximum field efficiency of 98.54% at operational speed of 9kmhr-1 in sandy-clay soil; in clay-loam soil at a working speed of 8kmhr-1, it recorded maximum field efficiencies of 87.98%, and 87.19% respectively. Results further... |
