Design and development of an animal drawn subsurface manure applicator
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Date
2019-09
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
Agriculture is a production oriented sector in which farmers apply various crop inputs. The farmers are over applying the chemical fertilizers to fulfil global food demand. The over utilization of chemical fertilizers such as Urea and DAP has undermine the quality of soil. Moreover, the over use of these chemical fertilizers have drastic effect on the human health avoid the volatilization of Nitrogen in the form of Ammonia and can enhance the properties of soil. Therefore an animal drawn subsurface manure applicator was developed and its performance was evaluated in laboratory as well as in field conditions. The study shows that screw type metering mechanism is appropriate for the developed machine. The metering mechanism had to deliver to. The study shows that there is insignificant effect of hopper height and travel speed on the uniformity of manure distribution. The theoretical manure rate, actual manure rate and efficiency of screw conveyer were observed to be as well as on the environment. The subsurface application manure can 11.62, 7.01 and 60.32%. The draft requirement for untilled field conditions was observed as 0.63, 0.68, 0.68 and 0.77 kN for the speed of 1.5, 2, 2.5 and 3 km/h at the 50 mm depth of operation. Similarly, the draft was observed as 0.72, 0.77, 0.82 and 0.86 kN for the Speed of 1.5, 2, 2.5 and 3 km/h at the 100 mm depth of operation. Also, the draft was observed as 1.20, 1.30, 1.34 and 1.39 kN respectively for the speed of 1.5, 2, 25 and 3 km/h at the 150 mm depth of operation. The draft requirement for tilled field conditions was observed as 0.53, 0.63, 0.68 and 0.68 kN for the speed of 1.5, 2, 2.5 and 3 km/h at the 50 mm depth of operation. Also, the draft requirement was observed as 0.73, 0.78, 0.87 and 0.87 kN for the speed of 1.5, 2, 2.5 and 3 km/h at the 100 mm depth of operation. Also, the draft requirement was observed as 0.92, 1.01, 1.06 and 1.10 KN for the speed of 1.5, 2, 2.5 and 3 km/h at the 150 mm depth of operation.
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