THE EFFECT OF TRACTOR SPEED AND TIRE PRESSURE ON EVALUATION THE PERFORMANCE | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 19, Issue 3, June 2014, Pages 0-0 | ||
| Authors | ||
| M. A. Mankhi; M.A.S. Abdul-Jabbar; A.A. Abdul-Ameer | ||
| Abstract | ||
| The experiment was conducted in a field of Al- Mahmudiya area, south of Baghdad in 2013 to Study the effect of tractor speed and tire pressure on Elevation the performance and field efficiency of locally modified potato planter with tractor Massey Ferguson 85 hp as a machine unit in silty clay loam soil. Three levels of tractor speeds included 2.43, 3.16, 5.07km/hr and two tire pressure included (1.5, 2) bars Slippage percentage, practical productivity, fuel consumption and field efficiency of mechanical unit were measured in this study under randomized complete block design with three replications. The results showed following increasing tractor speed from 2.43, 3.16, 5.07 km/hr caused a significant increase in practical productivity and adecrease fuel consumption. Increasing tire pressure from 1.5 to 2 bars caused a significant increase in practical productivity. The interaction between tractor speed 2.43 km/hr with tire pressure 1.5 bars showed less slippage percentage and gave highest field efficiency. The interaction between tractor speed 5.07 km/hr with tire pressure 2 bar gave highest practical productivity. Working with 5.07 km/hr tractor speed with 2 bar tire pressure was recommended. | ||
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