University of Khartoum

Tractor Performance as Affected by Rear Wheel Inflation Pressure Using Chisel Plough in Clay Soil

Tractor Performance as Affected by Rear Wheel Inflation Pressure Using Chisel Plough in Clay Soil

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Title: Tractor Performance as Affected by Rear Wheel Inflation Pressure Using Chisel Plough in Clay Soil
Author: Elnima, Mohammed Gaffer Khojali
Abstract: The study was carried out at the Demonstration farm of the Faculty of Agriculture, University of Khartoum–Shambat during September 2016. The soil type was generally clay with mean moisture content of 7.4% by weight. The objective of the study was to investigate the effect of rear wheel inflation pressure on the performance of tractor when linked with chisel plough on constant depth, 25 cm and constant forward speed, 6 km/h. The experiment was conducted in a randomized complete block design with three replicates. The performance parameters were drawbar pull, fuel consumption rate and rear wheel slippage. The results showed that 172.4kPa(25 Psi) inflation pressure recorded the lowest values of drawbar pull (12.5kN), fuel consumption rate (2.05L/Fed) and slippage (16.7%), as compared to 138kPa(20Psi) and 206.8kPa(30Psi) inflation pressures which recorded higher values of drawbar pull (12.5kN, 12.7kN), fuel consumption rate (2.6L/fed, 3.3L/fed) and slippage (19.2%, 20.8%), respectively. The statistical analysis of data showed that, there were significant differences (P≤0.05) between the effect of rear wheel inflation pressure on fuel consumption rate. The highest values of fuel consumption rate were recorded by 138kPa and 206.8kPa inflation pressures of rear wheels while the lowest values were recorded by 172.4kPa inflation pressure of rear wheels. The statistical analysis of drawbar pull and slippage data showed no significant differences (P≤0.05). It is concluded that the inflation pressure 172.4kPa was appropriate for tractor performance as it gave lower values of drawbar pull, fuel consumption rate and slippage, using the chisel plough under the specific soil conditions. More studies are recommended to determine the effect of rear wheel inflation pressure on tractor performance using Chisel plough under different soil types and ploughing depths.
URI: http://khartoumspace.uofk.edu/123456789/26084


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