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This experiment was conducted at the field of Al-Mussaib technical institute dating 2018, to study effect of locally manufactured implement on soil disturbing and tillage costs, by using (Foton Lovol TB 450) tractor in this research with combined plow locally manufactured in the various tillage depths in clay loam soil. The research was studied two factors: - included tillage depths (10, 15 and 20 cm) and three practical speeds of the tractor (3.17, 4.39 and 5.48 km·hr- 1 ), the properties which were studied including power required for plowing, energy utilization efficiency, lost power due to slippage and operating costs. The research was performed by applying the factorial experiment according to completely randomized design with four replications. The results showed the following: increasing tillage depth from 10 to 15 and 20 cm caused an increasing in power required for plowing, energy utilization efficiency, lost power due to slippage and operating costs. Tillage depth 10 cm indicated significant superiority up on tillage depths 15 and 20 cm achieved lower power required for plowing, energy utilization efficiency, lost power due to slippage and operating costs. Increasing practical speeds of tractor from 3.17 to 4.39 and 5.48 km·hr- 1  caused an increasing in power required for plowing and lost power due to slippage, and decrease energy utilization efficiency and operating costs.

Effect of locally manufactured implement on energy utilization efficiency and operating costs