Effect of Field Speeds of Rice Combine Harvester on Grain Loss: A Preliminary Evaluation in Malaysian Paddy Fields
Publication Date : 20/06/2019
Combine harvester is one of the important farm machinery that universally used in rice harvesting to overcome the labor shortage problem in Malaysian paddy fields. The machine is generally used in the harvesting of rice in the rice granaries of the country. However, the excessive grain loss during rice harvesting in Malaysia is still problematic. Among the factors of causing the significant grain loss is the field speed of the combine harvester. A preliminary study was conducted to investigate the effect of combine field speeds on grain loss in Malaysia paddy fields. This study was able to determine the most suitable combine field speed in rice harvesting with minimum the grain losses. The field speeds have a linear relationship with grain loss. The best speed with was found to be 3.87 km/hr, which contributes only 0.67 % grain loss or equal to RM8.04/ha of profit losses. Conclusively, the results can encourage the improvement of mechanization quality in rice harvesting and help in reducing rice farmer’s profits losses.
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