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A field experiment was conducted in one of the fields of the Technical Institute in Shatrah in 2022 to study the effect of different tractor speeds, conveyor chain speeds and their type on some performance indicators of a potato digger. Severely scratched tubers and slightly marked tubers and quantitative loss were studied in this research. The hand involved three levels of tractor forward speeds (2.5, 3.20,4.0 km / h), two groups of conveyor chain speeds (43, 49) m/ min and two levels of the type of chain conveyor of iron bars and rubber-coated. The complete random design with three replications was used in the research. The results showed that the tractor speed of 2.5 km/h gets the severely scratched tubers, which amounted to 3.03%, and the slightly scratched amounted to 12.37%, and the lowest quantitative loss was 1.16%. The speed of the chain conveyor, 43 m/min, get the lowest percentage of severely scratched tubers, which amounted to 4.53% and was slightly irritated. It was 14.10%, and the speed of the chain conveyor was 49 m/min. The lowest quantitative loss was 2.09%, and the rubber rods had the lowest percentage of severely scratched tubers, slight marked and quantitative loss. Keyword: qualitative loss, severely scratched, slightly scratched.
A field experiment was conducted in one of the fields of the Technical Institute in Shatrah in 2022 to study the effect of different tractor speeds, conveyor chain speeds and their type on some performance indicators of a potato digger. Severely scratched tubers and slightly marked tubers and quantitative loss were studied in this research. The hand involved three levels of tractor forward speeds (2.5, 3.20,4.0 km / h), two groups of conveyor chain speeds (43, 49) m/ min and two levels of the type of chain conveyor of iron bars and rubber-coated. The complete random design with three replications was used in the research. The results showed that the tractor speed of 2.5 km/h gets the severely scratched tubers, which amounted to 3.03%, and the slightly scratched amounted to 12.37%, and the lowest quantitative loss was 1.16%. The speed of the chain conveyor, 43 m/min, get the lowest percentage of severely scratched tubers, which amounted to 4.53% and was slightly irritated. It was 14.10%, and the speed of the chain conveyor was 49 m/min. The lowest quantitative loss was 2.09%, and the rubber rods had the lowest percentage of severely scratched tubers, slight marked and quantitative loss. Keyword: qualitative loss, severely scratched, slightly scratched.
A field experiment was conducted in one of the fields of the Technical Institute in Shatrah in 2022 to study the evaluation performance and productivity of the locally modified chain carrier potato. Slippage percentage, fuel consumption and machine productivity were studied in this research. The included use of three factors: the forward speed of the tractor at three levels, where it was (2.50,3.20 and 4.00 km / h) respectively, and the second factor was the speed of the chain conveyor at two levels, 43 and 38 m /min, and the third factor is a type of chain conveyor with two levels of iron bars and cloth -coated bars. A complete random design with three replications was used in the research. The results were statistically analyzed, and the averages were tested in a way with the least significant difference at the probability level of 0.05. The results showed that the tractor speed of 2.50 km/hr, recording the lowest slippage percentage, reached 4.20%, while the speed of 4.00 km/hr had the lowest fuel consumption and the highest productivity digger. Keywords: Slippage percentage, fuel consumption, speed chain conveyor type.
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