Performance Evaluation of a Tractor Mounted Groundnuts Harvester
Abstract
The performance of an existing tractor mounted groundnut harvester was evaluated at different levels of machine speed (2 km/hr, 3 km/hr, 4 km/hr and 5 km/hr) and a constant penetration depth of 10 cm. Harvesting efficiency decreased with increasing speed while percentage damage increased with increasing speed. The highest harvesting efficiency (75.3 %) was obtained for 2 km/hr operation speed and the lowest harvesting efficiency (63.7%) was obtained at 5 km/hr operation speed. The highest percentage damage (34.2 %) was obtained at 5 km/hr machine speed and the least percentage damage (17.1 %) was obtained at 2 km/hr speed. Analysis of variance showed that machine speed made significant effects (p≤0.05) on the parameters evaluated and the separation of means using F-LSD showed significant difference ..........
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ISSN (Paper)2222-1727 ISSN (Online)2222-2871
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