Soil Dynamics in Tillage and Traction PDF Download
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Author: William R. Gill
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 524
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Book Description
Author: William R. Gill
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 524
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: William R. Gill
Publisher:
ISBN:
Category : Soil dynamics
Languages : en
Pages : 511
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages :
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Book Description
Set includes revised editions of some issues.
Author: Frank Freese
Publisher:
ISBN:
Category : Aerial photography
Languages : en
Pages : 1326
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Author: Dennis R. Heldman
Publisher: CRC Press
ISBN: 1498711073
Category : Science
Languages : en
Pages : 2120
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Book Description
The Definitive Reference for Food Scientists & EngineersThe Second Edition of the Encyclopedia of Agricultural, Food, and Biological Engineering focuses on the processes used to produce raw agricultural materials and convert the raw materials into consumer products for distribution. It provides an improved understanding of the processes used in
Author: A. J. Koolen
Publisher: Springer Science & Business Media
ISBN: 3642690106
Category : Technology & Engineering
Languages : en
Pages : 244
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Book Description
Compared with forces occurring in soil mechanics problems in civil engineering, the forces that are applied to soil in farming operations generally have a short duration, less than a few seconds, a small loaded area, no more than a few square decimeters, and small intensities, 10 bar being a high value. On the other hand, soil properties vary widely between those of a weak mud and a stone-like dry soil. Tillage and related applications of force to soil are practiced worldwide in farming. Tillage operations are performed on one hectare of land for every three human beings. This means that for the food production for each individual daily, something like one cubic meter of soil is stirred, or about 20 times his body weight. Theoretical knowledge of this most common human activity, which largely determines the surface shape of the fertile part of the earth, is still very limited. In this book the authors have tried to give an outline of the present state of the art. One of the starting points was a course in soil dynamics taught by the authors at the Agricultural University at Wageningen, The Netherlands. We hope to reach interested readers who have no more theoretical knowledge than high school level, as well as readers who want to go beyond the level of a third year university student. For the chapter on wheels and tires we received substantial support from F. G. J. Tijink of the Tillage Laboratory at Wageningen.
Author: United States. Great Lakes Basin Commission
Publisher:
ISBN:
Category : Great Lakes (North America)
Languages : en
Pages :
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Author: B.D. Soane
Publisher: Elsevier
ISBN: 0080934005
Category : Technology & Engineering
Languages : en
Pages : 684
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Book Description
This book provides a global review of the mechanisms, incidence and control measures related to the problems of soil compaction in agriculture, forestry and other cropping systems. Among the disciplines which relate to this subject are soil physics, soil mechanics, vehicle mechanics, agricultural engineering, plant physiology, agronomy, pedology, climatology and economics. The volume will be of great value to soil scientists, agricultural engineers, and all those involved with irrigation, drainage and tillage. It will help to facilitate the exchange of information on current work throughout the world, as well as to promote scientific understanding and stimulate the development, evaluation and adoption of practical solutions to these widespread and urgent problems.
Author: Haym Benaroya
Publisher: CRC Press
ISBN: 9781420083330
Category : Science
Languages : en
Pages : 801
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Book Description
Bringing together some of the most recognized and influential researchers and scientists in various space-related disciplines, Lunar Settlements addresses the many issues that surround the permanent human return to the Moon. Numerous international contributors offer their insights into how certain technological, physiological, and psychological challenges must be met to make permanent lunar settlements possible. The book first looks to the past, covering the Apollo and Saturn legacies. In addition, former astronaut and U.S. Senator Harrison H. Schmitt discusses how to maintain deep space exploration and settlement. The book then discusses economic aspects, such as funding for lunar commerce, managing human resources, and commercial transportation logistics. After examining how cultural elements will fit into habitat design, the text explores the physiological, psychological, and ethical impact of living on a lunar settlement. It also describes the planning/technical requirements of lunar habitation, the design of both manned and modular lunar bases, and the protection of lunar habitats against meteoroids. Focusing on lunar soil mechanics, the book concludes with discussions on lunar concrete, terraforming, and using greenhouses for agricultural purposes. Drawing from the lunar experiences of the six Apollo landing missions to the many American and Soviet robotic missions to current space activities and research, this volume summarizes the problems, prospects, and practicality of enduring lunar settlements. It reflects the key disciplines, including engineering, physics, architecture, psychology, biology, and anthropology, that will play significant roles in establishing these settlements.
