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  • ThesisItemOpen Access
    Design and development of rotary plough for hills
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2017-08) Bist, Vijendra Singh; Singh, Jayant
    By keeping in mind the problem faced by the farmers in hilly areas and to promote farm mechanization a new type of rotary plough is designed. The designed rotary plough has straight knife edge blades which were attached on circular flange. Power from main engine shaft is transmitted to the rotary blades by using bevel and spur gear transmission system. The effect of forward speeds, depth of operation and soil moisture content on fuel consumption, actual field capacity, field efficiency, energy required per unit area and total cost were studied. Two soil moisture content (12.73 and 14.56 %), two forward speeds (1.5 and 2 km/h) and three depths of operation (5.5±0.5, 7.5±0.5 and 9.5±0.5 cm) have been chosen. The results showed that, the minimum value of fuel consumption was 0.98 l/h and recorded when the forward speed was 1.5km/h at depth of 5.5±0.5 cm and soil moisture content 14.56 %. The minimum value of effective field capacity was 0.038 ha/h when forward speed was 1.8 km/h, soil moisture content 12.73% and under depth of operation 9.5±0.5 cm. The highest field efficiency was 86.90% with 1.5 km /h forward speed at 5.5±0.5 cm depth of operation mm and soil moisture content 14.56%. The lower value of total cost was 2740 ₹/ha and was obtained when the forward speed was 2 km/h at 5.5±0.5 cm depth of operation and soil moisture content 14.56 %. The lowest value of energy required per unit area 181.47 MJ/ha was obtained at 2 km/h forward speed and soil moisture content of 14.56% at 5.5±0.5 cm depth of operation.