Evaluation of Wheat Losses Using New Holland Combine Harvester in Iran
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Adequate wheat production is one of the most important issues in Iran. Based on governmental policies there has been a developing tendency toward importing foreign grain combine harvesters. Considering Iran condition, this study was carried out to evaluate suitability and determine wheat losses using combine "NEW HOLLAND TC56". With regard to the interaction effect of FS and RS on HL, the best combination was 3 kmh and 25 RPM for FS and RS, respectively. The evaluation of losses in the form of semi-threshed heads 1 revealed that minimum loss belonged to CC and CS by 7 mm and 850 RPM, respectively. However, from the cleaning unit losses and seed breakage points of view the proper CS was 850 and 750 RPM, respectively.
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