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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
On Farm Demonstration, Testing and Evaluation of Maize Sheller in Meru County
Richard Njue and Noah Wawire
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DOI:10.17265/2161-6264/2021.03.004
The Department of Agricultural Mechanization, Agricultural Mechanization Research Institute, Machakos, P.O. Box 340-90100, Kenya
Maize shelling activity by the small scale farmers is done manually by either stripping with fingers, beating bagged cops with sticks or rubbing two cobs against each other. Shelling forms part of maize post-harvest losses which span from harvesting to consumption. The objective of this research was to demonstrate, test and evaluate the maize shellers in Meru County. The scope applied to one diesel (control) and three locally fabricated gasoline-powered throw-in type maize shellers and was performed on-farm at three different commercial villages (CVs). Traditional methods of shelling were compared to motorized shellers followed by the comparison between the 8 horsepower (hp) diesel (control) and 5 hp locally fabricated gasoline-powered shellers. The average shelling capacity (1,384 kg/h) and shelling efficiency (97.8%) of the locally fabricated shellers were lower as compared to the control (2,138 kg/h) with a shelling efficiency of 99.93%. The average scattering losses for the locally fabricated shellers were high (12.6%) compared to the control (0.053%). The analysis of variance (ANOVA) revealed control had the highest mean (9.23) and p value > 0.05 hence more efficient compared to locally fabricated (9.15). The shellers lacked the cleaning component, hence shelled maize required cleaning by winnowing manually and were not gender friendly since women and people enabled differently (PED) could not operate the machine due to height of the feeding hopper compared to control. It took traditional methods longer (59.4 s) to perform a shelling operation compared to using motorized shellers (15 s). The efficient control sheller demonstrated reduced farmers’ drudgery and post-harvest losses and was recommended for use by the small scale farmers in the county.
Shelling, fabricated, traditional, horsepower, farmers.
Njue, R. and Wawire, N. 2021. "On Farm Demonstration, Testing and Evaluation of Maize Sheller in Meru County." Journal of Agricultural Science and Technology B 11 (2021): 126-134.
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