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Mandal, Sandip
- Design and Evaluation of a Pneumatic Metering Mechanism for Power Tiller Operated Precision Planter
Abstract Views :283 |
PDF Views:84
Authors
Affiliations
1 Central Institute of Agricultural Engineering, Nabibagh, Bhopal 462 038, IN
2 Department of Agricultural Engineering, Triguna Sen School of Technology, Silchar 788 001, IN
3 College of Agricultural Engineering and Technology, Anand Agricultural University, Godhra 389 001, IN
4 ICAR Research Complex for NEH Region, Umiam 793 103, IN
1 Central Institute of Agricultural Engineering, Nabibagh, Bhopal 462 038, IN
2 Department of Agricultural Engineering, Triguna Sen School of Technology, Silchar 788 001, IN
3 College of Agricultural Engineering and Technology, Anand Agricultural University, Godhra 389 001, IN
4 ICAR Research Complex for NEH Region, Umiam 793 103, IN
Source
Current Science, Vol 115, No 6 (2018), Pagination: 1106-1114Abstract
Power tiller is the most common prime mover in medium and marginal farms due to its light weight, compact design and low cost. Many attachments for power tiller have been developed except for precision pneumatic planter which is necessary to plant irregular, small and expensive seeds. In the present work, a pneumatic seed metering mechanism was designed for the power tiller operated 3-row precision planter. It was tested for planting soybean, pigeon pea and corn seeds at 20 cm spacing. The best design and operating parameters of the modular seed metering device were identified by conducting experiments on the sticky belt test stand considering various performance indices on the basis of pareto dominance criterion. The seed metering disc having 8 holes of 3.5 mm diameter on pitch circle diameter of 116 mm and operated at 0.11 ms–1 peripheral speed and 6 kPa suction were found to be the best combination of design and operating parameters for the precise metering of seeds. More than 67% of the seeds got distributed in the range of 15–20 cm spacing.Keywords
Pareto Dominance, Pneumatic Seed Metering, Power Tiller, Precision Planter.Full Text
References
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- Mandal, S. and Kumar, G. V. P., Forward and reverse mapping of extreme learning machine model of a precision planter. In International Symposium on Advanced Computing and Communication (ISACC), IEEE, 2015, pp. 65–70.
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- Yazgi, A. and Değirmencioğlu, A., Optimization of the seed spacing uniformity performance of a vacuum-type precision seeder using response surface methodology. Biosyst. Eng., 2007, 97(3), 347–356.
- Deb, K., Pratap, A., Agarwal, S. and Meyarivan, T. A., A fast and elitist multiobjective genetic algorithm: NSGA-II. IEEE Trans. Evol. Comp., 2002, 6(2), 182–197.
- Önal, İ., Değirmencioğlu, A. and Yazgi, A., An evaluation of seed spacing accuracy of a vacuum type precision metering unit based on theoretical considerations and experiments. Turk. J. Agric. For., 2012, 36(2), 133–144.
- Mandal, S., Roy, S. and Tanna, H., A low-cost image analysis technique for seed size determination. Curr. Sci., 2012, 103(12), 1401–1403.
- Barut, Z. B. and Özmerzi, A., Effect of different operating parameters on seed holding in the single seed metering unit of a pneumatic planter. Turk. J. Agric. For., 2004, 28(6), 435–441.
- Coello, C. A., A comprehensive survey of evolutionary-based multi-objective optimization techniques. Knowl. Info. Syst., 1999, 1(3), 269–308.
- Energy use Pattern in Wheat Crop Production System among Different Farmer Groups of the Himalayan Tarai Region
Abstract Views :227 |
PDF Views:75
Authors
Rajat Kumar Sharma
1,
T. K. Bhattacharya
1,
Akanksha Kumain
1,
Priyanka Chand
1,
Sandip Mandal
1,
Deepshikha Azad
1
Affiliations
1 G.B. Pant University of Agriculture and Technology, Pantnagar 263 145, IN
1 G.B. Pant University of Agriculture and Technology, Pantnagar 263 145, IN
Source
Current Science, Vol 118, No 3 (2020), Pagination: 448-454Abstract
This study examines the energy use pattern in wheat crop cultivation in the Himalayan Tarai region of India among different farmer groups. A total of 250 farmers from 59 villages were interviewed and information on various inputs in wheat crop production was collected during 2015–16. Based on the information, all the inputs in wheat crop production were identified and converted into energy using standard energy equivalents. Results showed that the total energy expenditure in wheat crop production in the region was 20497.1 MJ/ha in which fertilizer, fuel and seed shared 85% of the total energy. Fertilizer alone accounted for 50.2% of total energy followed by fuel (22.6%). It was estimated that farmers of the large and medium category used more energy compared to those having small landholding, but also produced more grains. Operation-wise, fertilizer application consumed maximum energy followed by tillage operation. The average value estimated for output-to-unit input energy ratio was 3.02, whereas it was 3.26, 3.15, 3.14, 3.11 and 2.95 for large, medium, semi-medium, small and marginal category farmers respectively. It can be concluded from the present study that energy consumption has a positive relationship with yield.Keywords
Agriculture, Energy Use Pattern, Farmer Groups, Wheat Crop.Full Text
References
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- Beehive Charcoal Briquettes: Clean Cooking Fuel for Rural Households
Abstract Views :254 |
PDF Views:77
Authors
Affiliations
1 ICAR-Central Institute of Agricultural Engineering, Nabibagh, Bhopal 462 038, IN
1 ICAR-Central Institute of Agricultural Engineering, Nabibagh, Bhopal 462 038, IN
Source
Current Science, Vol 118, No 11 (2020), Pagination: 1641-1642Abstract
Cooking is the major energy-intensive activity in many households of rural India1. A significant number of rural households still depend on biomass for cooking fuel due to easy access, sociopolitical situation, age-old cultural practice and low income2.Full Text
References
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- Mandal, S., Kumar, A., Singh, R. K., Ngachan, S. V. and Kundu, K., J. Environ. Biol., 2014, 35(3), 543.
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- Measuring Technical Efficiency and Frontier Intervention for Farm Machinery Manufacturers Using Slacks-Based Data Envelopment Analysis
Abstract Views :176 |
PDF Views:77
Authors
Affiliations
1 Agricultural Mechanization Division, ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
2 Technology Transfer Division, ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
3 Agricultural Energy and Power Division, ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
1 Agricultural Mechanization Division, ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
2 Technology Transfer Division, ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
3 Agricultural Energy and Power Division, ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, IN
Source
Current Science, Vol 120, No 8 (2021), Pagination: 1350-1357Abstract
The objective of this study is to estimate technical efficiency of farm machinery manufacturers in Central India. The statistical test for the presence of technical inefficiency has been performed using stochastic frontier production model. Data envelopment analysis (DEA) has been used to identify existing returns to scale in farm machinery manufacturing units. The slacks-based DEA has been used to estimate input excess and output shortfall in the manufacturing system. Results indicate that out of the total variation, 69% was due to technical inefficiency in the manufacturing system, whereas 31% was due to stochastic errors. The estimated radius of stability was varied from 0 to 1.74 and the classification (efficient and inefficient manufacturers) was found robust against data alteration within the estimated radius of stability. The results showed that a manufacturer has to increase annual turnover by INR 40.7 million to become efficient.Keywords
Data Envelopment Analysis, Farm Machinery, Frontier Intervention, Manufacturers, Technical Efficiency.Full Text
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- Deriving Fuel From Pine Needles Through Pyrolysis, Charring and Briquetting and Their GHG Emission Potential
Abstract Views :86 |
PDF Views:68
Authors
Affiliations
1 ICAR-Central Institute of Agricultural Engineering, Nabibagh, Berasia Road, Bhopal 462 038, India., IN
2 Department of Farm Machinery and Power Engineering, College of Technology, G.B. Pant University of Agriculture and Technology, Pantnagar 263 145, India., IN
1 ICAR-Central Institute of Agricultural Engineering, Nabibagh, Berasia Road, Bhopal 462 038, India., IN
2 Department of Farm Machinery and Power Engineering, College of Technology, G.B. Pant University of Agriculture and Technology, Pantnagar 263 145, India., IN
Source
Current Science, Vol 124, No 10 (2023), Pagination: 1210-1215Abstract
The present communication presents an overview of generating renewable fuels from pine needles through pyrolysis and briquetting technology. Pine needles are the products of leaf shedding in the forests from pine trees and are considered potential fire hazards. Studies conducted in the last few years show that this biomass can be effectively utilized for the production of bio-oil, biochar and briquettes in an environment-friendly manner. Through pyrolysis, pine needles could be converted to 35% bio-oil with a calorific value of 28.52 MJ kg–1, which can be a base material for other fuels and chemicals. The process also yields 25% biochar, which has a half-life of 600–1000 years and is a suitable material for soil carbon sequestration. The proposed pine needle-based energy centre can produce about 3.8 t briquettes, 1.2 t bio-oil, 1.6 t biochar and 1240 Nm3 pyrolysis gas from 10 t pine needles, with an energy efficiency of 87.2%. Greenhouse gas emissions were found to be considerably lower for charring and pyrolysis routes compared to forest burning.Keywords
Briquettes, Charring, Greenhouse Gas Emission, Pine Needles, Pyrolysis.Full Text
References
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