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Jaya Prakash, R.
- Ergonomical Evaluation of Manual and Power Operated Weeders in Dry Land Condition
Abstract Views :279 |
PDF Views:1
Authors
Affiliations
1 Department of Farm Machinery and Power, College of Agricultural Engineering (A.N.G.R.A.U.), Bapatla, Guntur (A.P.), IN
1 Department of Farm Machinery and Power, College of Agricultural Engineering (A.N.G.R.A.U.), Bapatla, Guntur (A.P.), IN
Source
International Journal of Agricultural Engineering, Vol 8, No 2 (2015), Pagination: 169-174Abstract
Weeding operation is an important among field operations, which affects the yield 30 to 60 per cent due to delay and negligence in operation. Drudgery involved in weeding operation increases stress on the worker causing increase in heart rate and oxygen consumption. The main focus of the study was to evaluate ergonomical and mechanical parameters of power weeder and wheel hoe. The estimation of oxygen consumption rate (OCR) by measuring the energy expenditure rate (EER) is a fairly accurate and acceptable method. The heart rate of workers varied from 109.47 to 130.66 beats/min by using power weeder and 130.33 to 147.52 beats/min by using wheel hoe. The oxygen consumption rate of workers from 0.873 to 1.302 L/min with power weeder and 1.389 to 1.738 L/min with wheel hoe. The actual field capacity of 114 and 208 man-h/ha were observed for power weeder and wheel hoe, respectively. The weeding efficiency of power weeder and wheel hoe were observed to be 8 and 75 per cent, respectively. The maximum value of weeding efficiency (8%) was observed in case of power weeder.Keywords
Oxygen Consumption Rate, Energy Expenditure Rate, Field Capacity, Weeding Efficiency.
References
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- Rangasamy, K., Balasubramanium, M. and Swaminathan, K.R. (1993). Evaluation of power weeder performance. Agril. Mechanization Asia, Africa, Latin America, 24(4) : 16-18.
- RNAM (1983). Testing, evaluation and modification of weeders. Regional Network for Agricultural Machinery. Phillipines. Technical Series No. 12: 4-21.
- Singh, G. (1992). Ergonomic considerations in development and fabrication of manual wheel hoe weeder. Indian J. Agril. Engg., 2(4) : 234-243.
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- Tajuddin, A. (2006). Design, development and testing of an engine operated weeder. Agril. Engg. Today, 30(5, 6) : 25-29.
- Tewari, V.K., Datta, R.K. and Murthy, A.S.R. (1991). Evaluation of three manually operated weeding devices. Applied Ergonomics, 22(2) : 111-116.
- Performance Evaluation of Reaper-Binder in Rice Crop
Abstract Views :266 |
PDF Views:2
Authors
Affiliations
1 Department of Farm Machinery and Power, College of Agricultural and Engineering, (A.N.G.R.A.U.), Bapatla (A.P.), IN
2 Department of Farm Implements and Machinery Scheme, Agricultural Research Institutes, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad (Telangana), IN
3 Department of Farm Machinery and Power, College of Agricultural and Engineering, (A.N.G.R.A.U.), Bapatla (A.P.)
1 Department of Farm Machinery and Power, College of Agricultural and Engineering, (A.N.G.R.A.U.), Bapatla (A.P.), IN
2 Department of Farm Implements and Machinery Scheme, Agricultural Research Institutes, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad (Telangana), IN
3 Department of Farm Machinery and Power, College of Agricultural and Engineering, (A.N.G.R.A.U.), Bapatla (A.P.)
Source
International Journal of Agricultural Engineering, Vol 8, No 2 (2015), Pagination: 232-238Abstract
Field performance of reaper-binder was assessed in rice crop and compared with manual method of harvesting by sickle at farmer's field under farm implements and machinery scheme during Rabi 2013. The effective field capacity of the reaper-binder was found 0.294ha h-1 with a field efficiency of 67 per cent at an average operating speed of 3.6 kmph compared to 0.025 ha h-1 for manual harvesting. The fuel consumption was found 5.27 l ha-1. Labour requirements for mechanical and manual harvesting were 36 and 176 man-h ha-1, respectively. The harvesting losses for mechanical and manual harvesting were 1.44 and 1.88 per cent, respectively. The cost of harvesting operation was Rs.5500/ha for manual harvesting and Rs.2241/ha for mechanical harvesting. The harvesting cost of reaper binder was reduced by 40.74 per cent compared to manual harvesting method with sickle. The feedback of machine operation was collected by some farmer's at the time of harvesting and the performance of the reaper-binder at the farm was satisfactory.Keywords
Rice, Reaper Binder, Harvesting, Manual Harvesting, Paddy.References
- Duraisamy, V.M., Senthilkumar, T and Subbalakshmi, S. (2011). Studies on standardization of spacing and transplanting depth for a self- propelled rice transplanter. Agril. Mechanization in Asia, Africa and Latin America,42 (1) : 42-44.
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- Mohammad Reza Alizadeh, Iraj bagheru and Mir Hussein Payman (2007). Evaluation of a rice reaper used for rapeseed harvesting. American-Eurasan J. Agric. & Environ. Sci., 2(4): 388-394.
- Nadeem Amjad (1983). Field performance evaluation of rice reaper. Agril.Mechanization in Asia, Africa & Latin America. 14 : 35-40.
- Singh, Sukhbir, Vatsa, D.K. and Verma, M.K. (2007). Feasibility and performance evaluation of power tiller operated reaper in hills of Himachal Pradesh. Agril. Engg. Today, 31(2): 6-10.