Sugarcane trash chopper cum spreader-A viable machine to avoid trash burning
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Abstract
Trash burning is a major problem in sugarcane to overcome this, a sugarcane trash chopper cum spreader was tested at farmer’s field for its performance and economic feasibility. The chopper cum spreader was tested at five levels of moisture content of trash (13.2, 14, 15.15, 16.6, and 18.8% db) and five levels of operational
speed (2.6, 2.8, 2.9, 3.1, and 3.4 km/h). The performance of the sugarcane trash chopper cum spreader heavily depends on moisture content and speed of operation. The maximum field capacity (0.43ha/h) was obtained at a speed of 3.2 km/h, but maximum shredding efficiency (90.40%) was found at a speed of 2.9 km/h. Maximum
uniformity coefficient (0.95) and shredding capacity (4.31 t/h) was obtained at a speed of 2.9 km/h and at a moisture content of 13.13%. Maximum trash lifting efficiency (93.95%) was observed at a speed of 2.76 km/h and at a moisture content of 13.13%. The cost of operation was Rs. 2015/ha with B: C ratio of 1.5. The break-even point of
the chopper cum spreader was 17.7 ha and payback of the machine was 1.3 years if operated for 250 h/year. The energy consumption of machine was calculated to be 1327.7 MJ ha-1. The optimum performance of sugarcane trash chopper cum spreader was obtained at a moisture content of 13.13% (M5) and forward speed of 2.9 km h-1 (V3). The sugarcane trash chopper cum spreader may be recommended for chopping of sugarcane trash for mulching to avoid burning of trash and conserving natural resources.
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Field capacity, Shredding capacity, Shredding efficiency, Uniformity coefficient
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