Author(s): Sandeep Kumar Rumandla, Virendra Kumar Tiwari and Prabha Haldkar

Abstract: Physical properties of three different varieties of paddy were measured which helps in designing the equipment’s for application in plantation, harvesting, transportation, storage and processing operations of rice. The length, width and thickness of the varieties JR 206 (V1) are 6.74 mm, 2.35 mm, 1.81 mm, MTU 1010(V2) are 6.94 mm, 2.15 mm, 1.86 mm, and JR 81(V3) are 7.06 mm, 2.10 mm, 1.76 mm respectively. The L/B ratio, size, volume and test weight are 2.86, 3.06, 15 and 21.4 g for V1, 3.23, 3.02, 14.52 and 22.2 respectively for variety V2, 3.36, 2.96, 13.66 and 20.8 g respectively for variety V3. Sphericity ranges from 41.9 to 45.4 percent which revealed that the grains could not be considered as spherical in shape. Bulk density and true density 768, 778, 746 kg/m3 and 1376.43, 1434.33 and 1323.83 kg/m3 respectively.

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