Abstract
This study was conducted in a field of Al-mahmodia Region in Baghdad , 2014 to estimate the costs of operating Massy Ferguson tractor and tillage equipment in a clay loam soil. Three factors studied through the experiment included:- Three linear speeds for tractor were 2.85, 3.77 and 5.83 km/hr. Two types of plows included moldboard and chisel plow and two systems of plowing included one passage and orthogonal passage for each type of plows. The properties which were studied included fuel consumption, oil costs, maintenance and repair costs, labor costs per hectare. The research was done by applying the factorial experiment according to randomized complete block design with four replications and data were analyzed statistically, mean values of each treatment were compared using LSD at the 0.05 level of confidence to test significance. The results showed the following: Using chisel plow in the orthogonal pass led to increase the rate of fuel consumption, oil costs, maintenance and repair costs and labor costs per hectare, while moldboard plow in one passage achieving decrease the fuel consumption, oil costs, maintenance and repair costs and labor costs . Increasing linear speeds of tractor from 2.85 to 3.77 and 5.83 km/hr caused decreasing in fuel consumption, oil costs, maintenance and repair costs and labor costs per hectare. Linear speed of tractor 5.83 km/hr in one passage indicated significant superiority up on 2.85 and 3.77 km/hr. in achieving decrease the rate of fuel consumption for one hectare.
Highlights
The agriculture mechanization was very important through their contribution to fill a need in the growing numbers of people in the world to product and agricultural crops, strategic ones like wheat, barley, rice and maize and other crops that enter a staple food for humans
The purpose of the research is to estimate the costs of operating machine unit in a clay loam soil
The research was performed by applying the factorial experiments according to randomized complete block design with four replications and data were analyzed statistically, Mean values of each treatment were compared using LSD at the 0.05 level of confidence to test significance. 1-practical speed of tractor: Tractor speeds were used in this study included 2.85,3.77 and 5.83 km/hr
Summary
The agriculture mechanization was very important through their contribution to fill a need in the growing numbers of people in the world to product and agricultural crops, strategic ones like wheat, barley, rice and maize and other crops that enter a staple food for humans. Indicators studied: 1-Fuel consumption (liter/hr.): Measuring fuel consumption rate achieved by using a device to measure the fuel discharge from the fuel tank of the tractor. If we have to determine the of the fuel consumption in the unit of Dinar\ hectare we can multiply the magnitude in liter\ hectare L.c:- The Costs of workers operating. 3 - Maintenance & Repair Costs: It is calculated by using the following equation: The table (1) shows the impact of Fuel consumption by plow type and practical speed, as the results of the statistical analysis showed that there are significant effect plow type by using LSD at the 0.05 level where the superiority moldboard plow in the one passage registered the less rate fuel consumption amounted 22.898 (liter/ha), while registered chisel plow in the orthogonal passage higher rate fuel consumption amounted 48.430 (liter/ha) because an increase in soil resistance. (area constant) the amount of fuel consumed for one hectare was lower
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