Development of a Field Machinery Selection Model PDF Download
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Author: Francis J. Wolak
Publisher:
ISBN:
Category : Agricultural machinery
Languages : en
Pages : 404
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Book Description
Author: Francis J. Wolak
Publisher:
ISBN:
Category : Agricultural machinery
Languages : en
Pages : 404
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Book Description
Author: Ramzy Yusuf Khoury
Publisher:
ISBN:
Category : Agricultural machinery
Languages : en
Pages : 272
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Book Description
A field machinery selection model for multiple cropping (MACMACEL) was developed to assist in the minimization of the total cost of owning and operating machinery by selecting the optimal system size for a variety of field crops. The model was simulated by a user-friendly computer algorithm installed on a microcomputer using Fortran 77 language. It starts by determining the optimum machinery sizes for a known cropping pattern and a set of farm machinery. This consists of tractor(s), self propelled machine(s), and tractor drawn implements. the model can take into account equipment(s) that are already owned by the farmer. Trials (iterations) are made with various numbers and sizes of machines to obtain the most economical machinery set that can finish all farming operations specified within the given time, satisfy power requirements, and have the least total annual equivalent cost. For that set of machinery, printed output includes the schedule of field operations, the quantity and type of machines and implements, and itemized list of the cost based on the cash flow method.
Author: Frank M. Inns
Publisher: Food & Agriculture Org.
ISBN: 9789251036037
Category : Technology & Engineering
Languages : en
Pages : 88
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Book Description
Primarily concerned with machinery testing and evalution from the user's viewpoint. However, includes testing for manufacturers.
Author: Robert M. Peart
Publisher: CRC Press
ISBN: 1482269767
Category : Technology & Engineering
Languages : en
Pages : 713
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Book Description
Offers a treatment of modern applications of modelling and simulation in crop, livestock, forage/livestock systems, and field operations. The book discusses methodologies from linear programming and neutral networks, to expert or decision support systems, as well as featuring models, such as SOYGRO, CROPGRO and GOSSYM/COMAX. It includes coverage on evaporation and evapotranspiration, the theory of simulation based on biological processes, and deficit irrigation scheduling.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251030189
Category : Business & Economics
Languages : en
Pages : 120
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Book Description
Author: Xinshen Diao
Publisher: International Food Policy Research Insitute
ISBN: 9780896293816
Category : Architecture
Languages : en
Pages :
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Book Description
Agricultural mechanization in Africa south of the Sahara - especially for small farms and businesses - requires a new paradigm to meet the needs of the continent's evolving farming systems. Can Asia, with its recent success in adopting mechanization, offer a model for Africa? An Evolving Paradigm of Agricultural Mechanization Development analyzes the experiences of eight Asian and five African countries. The authors explore crucial government roles in boosting and supporting mechanization, from import policies to promotion policies to public good policies. Potential approaches presented to facilitating mechanization in Africa include prioritizing market-led hiring services, eliminating distortions, and developing appropriate technologies for the African context. The role of agricultural mechanization within overall agricultural and rural transformation strategies in Africa is also discussed. The book's recommendations and insights should be useful to national policymakers and the development community, who can adapt this knowledge to local contexts and use it as a foundation for further research.
Author: Frank M. D'Itri
Publisher: CRC Press
ISBN: 1351087754
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
This book describes concepts, value judgments and background information on the expanding conservation tillage practices in the United States and provides a technical appraisal of the state of the art. Still, much remains to be learned about the agronomic, agricultural engineering and environmental parameters; and it is hoped that the inormation herein presented will stimulate further research toward a more integrated apporach to conversation tillage practices.
Author: Robert M. Peart
Publisher: CRC Press
ISBN: 1135540411
Category : Science
Languages : en
Pages : 248
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Book Description
Running a productive agriculture system has always been about having the right tools and the know-how to pursue optimization and efficiency. In the 21st century, the case can be made that the agriculturist's most important tool is not the cultivator, but the computer. While you still need to know how to adapt to the day-to-day challenges of land an
Author: Robert Allen Kepner
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 552
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Book Description
Research and development in farm machinery. Implement types, field capacities, and costs. Mechanical power transmission and power-take-off drives. Hydraulic power transmission and implement controls. Soil tillage and dynamics. Moldboard plows. Disk implements. Hitch systems and hitching tillage implements. Chisel-type and multipowered tillage implements. Crop planting. Row-crop cultivation, flaming, and thinning. Applying fertilizers and granular pesticides. Spraying and dusting. Hay harvesting: cutting, conditioning, and windrowing. Packaging and handling hay. Forage chopping and handling. Grain and seed harvesting. Corn picking and shelling. Cotton harvesting. Root crop harvesting. Fruit and vegetable harvesting and handling. Draft, energy, and power requirements. Typical operating speeds for implements. Coefficients of rolling resistance for pneumatic tires. Graphic symbols for fluid power diagrams. SI units, customary units, and conversion factors.
Author: R. C. Dash
Publisher: LAP Lambert Academic Publishing
ISBN: 9783847349648
Category :
Languages : en
Pages : 184
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Book Description
Power and machinery is a single largest cost component, constituting about 60% of the total investment cost on mechanized farm. The profit of a farm depends, to a great extent, on the appropriate mechanization planning of the farm. Selection of proper size of power source(s) and its matching equipment is of paramount importance for an efficient mechanization planning.The bottleneck in the farm mechanization planning has been due to complexity of available machinery systems and their diversity with respect to type, size, number and operational characteristics. The process is further complicated in multiple cropping farms. Several models have been developed for the selection of agricultural machinery system using different techniques, like, linear programming, heuristic models, dynamic programming, and least cost approach. All those models were crop and location specific. This book describes the development of computer based mathematical models using least cost technique and a software for the selection of optimum power and machinery system. The developed models were validated for paddy-wheat crop rotation of Northern India.
