Efficiency Evaluation of Grain Harvesters of Different Types under North Kazakhstan Conditions
https://doi.org/10.22314/2073-7599-2018-12-3-17-21
Abstract
The problem of selecting certain types of grain combine harvesters is quite urgent now. This is because the agricultural manufacturers are struggling to make a right selection of a grain harvester of a definite firm or make due to the aggressive marketing from the manufacturers. (Research purpose) Efficiency evaluation of grain harvesters of different types under the North Kazakhstan weather conditions. (Materials and methods) Technical and economic research has been performed according to the standard methodology followed by data analysis. The calculation has been made for direct combining by 4, 5 and 6-class harvesters equipped with widecut headers from leading domestic and foreign manufacturers. (Results and discussions) the authors have also calculated direct costs for thrashing of one ton of grain under favorable harvesting conditions, total costs for thrashing of one ton of grain including grain losses under unfavorable harvesting conditions, as well as total costs for thrashing of one ton of grain considering that 30% of grain is harvested under favorable harvesting conditions and 70% - under the ones. (Conclusion) It has been found that the price of thrashing of one ton of grain that characterizes the efficiency of utilizing grain harvesters depends on the price/efficiency ratio of a harvester, yield and harvesting conditions. Combine harvesters of a lower class with the optimum price/efficiency ratio are more preferable under favorable harvesting conditions. However, in case of the harvest period prolongation due to unfavorable harvesting conditions, combine harvesters of a higher class are more preferable.
About the Authors
V. L. Astafyev
Kostanay Branch of LLP “Kazakh Scientific Research Institute of Farm Mechanization and Electrification”, Kostanay
Kazakhstan
Dr.Sc. (Eng), Professor, Director
Kazakhstan
Dr.Sc. (Eng), Professor, Director
E. V. Zhalnin
Federal Scientific Agroengineering Center VIM, Moscow
Russian Federation
Dr.Sc. (Eng), Professor, Key Research Engineer
Russian Federation
Dr.Sc. (Eng), Professor, Key Research Engineer
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Review
For citations:
Astafyev V.L., Zhalnin E.V. Efficiency Evaluation of Grain Harvesters of Different Types under North Kazakhstan Conditions. Agricultural Machinery and Technologies. 2018;12(3):17-21. https://doi.org/10.22314/2073-7599-2018-12-3-17-21
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