Laboratory study evaluates interaction of feed rates and sheller speeds on productivity metrics.
The effect of feed rate and rotation speed on the productivity of corn shellers was studied in the laboratory of the Hawija Faculty of Agriculture, University of Kirkuk. Two feed rates (1.2 and 2.0 kg) and three rotation speeds (1500, 1700, and 2000 rpm) were recurrent for each treatment. The Randomized Complete Block Design (RCBD) was used to analyze the results. Feed rates, sheller speed, and their interaction had significant effects on all studied parameter, except the interaction between feed rate and sheller speed, which showed no significant effect on cob weight or kernel weight. The second feed rate, the third sheller speed, and their interaction gave the highest Shelled Corn Grains Weighs of 1239.44, 1019.67, and 1291.33 g, respectively. While the best results for, cob weight, kernel weight, and fine material were at the first feeding rate and first sheller speed, which were (1239.44, 2.42, and 0.41) g, and (592.33, 1.87, and 0.30) g, respectively.
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Kakahy et al. (2025) studied this question.
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