ENGINEERING PROPERTIES OF PADDY FOR DESIGNING OF THRESHING MECHANISM
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 1
Abstract
Harvesting, threshing and winnowing are the final operations which play the significant role in realizing the full benefit of raised crop. The morphological characteristics of paddy plant are essential to know for operating settings of the harvesting machineries. The single grain detachment and stripping force are important parameters for design and development of different mechanism for threshing. The morphological characteristics of paddy plant, physical properties of paddy grain, single grain detachment force, panicle stripping force, bulk density and paddy uprooting force were studied following the standard procedures. The Ratnagiri-1 is popular variety of Konkan selected for this study. The morphological characteristics of paddy plant like plant height, plant dropping height, panicle height, panicle length and stem diameter were found to be 851.7, 744.6, 648.1, 203.6, and 1.77 mm respectively with number of tillers per hill to be 9.07. Thousand grain weights were found to be in the range from 29.27 to 27.77 g and 31.11 to 29.37 g at 19.90 and 22.05 % moisture content (wb) respectively. The maximum single grain detachment force was found to be 3.07 N at 19.47 per cent moisture content (wb). The maximum stripping force for paddy panicle was found to be 20.59 N at 22 to 26 per cent moisture content of (wb). The single grain detachment and stripping force for paddy panicle found to be decreased in magnitude with decrease in moisture content. The minimum paddy uprooting force was found to be 19.4 kg at 35.09 per cent moisture content of soil, where as maximum uprooting force for paddy was found to be 40.2 kg at 17.5 per cent moisture content of soil.
Authors and Affiliations
GIRISHKUMAR BHANAGE, PRASHANT SHAHARE, VIJAY AWARE
Keywords
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