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Author : William R. Gill
Publisher :
ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.:/5 (31 download)
Download or read book Soil Dynamics in Tillage and Traction written by William R. Gill and published by . This book was released on 1967 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William R. Gill
Publisher :
ISBN 13 :
Total Pages : 511 pages
Book Rating : 4.:/5 (246 download)
Download or read book Soil Dynamics in Tillage and Traction written by William R. Gill and published by . This book was released on 1967 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Soil Dynamics in Tillage and Traction, USDA Agricultural Handbook written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. McKyes
Publisher : Elsevier
ISBN 13 : 044460104X
Total Pages : 226 pages
Book Rating : 4.4/5 (446 download)
Download or read book Soil Cutting and Tillage written by E. McKyes and published by Elsevier. This book was released on 1985-10-01 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: After giving a brief history of tillage practices and implements used throughout the world dating back to ancient times, this book goes on to describe the basic soil mechanics techniques needed to calculate the forces developed in soil by simple-shaped cutting tools. The methods of measuring soil mechanical properties, water pressure in soil and shear rate effects are touched upon. A review is given of two and three dimensional soil cutting mathematical mechanics models to predict soil cutting forces and soil volumes disturbed by cutting and tillage tools, as well as the state-of-the-art of soil loosening, structural rearrangement and plant growth as affected by tillage tools. The author also includes an introduction to the analysis of traction machines. There are many numerical examples of mechanical analyses and predictions worked out in the various sections of the book as well as numerous unsolved problems at the end of a number of the chapters. Written in a textbook style, this monograph is ideal for anyone wanting to learn modern techniques for the mechanical description of soil cutting and tillage forces and soil volumes disturbed. It also provides a reference for analytical formulae and calculated force forces. It will be of interest to universities and colleges worldwide which have Agricultural Engineering Programs, Civil and Mechanical Engineering schools which specialize in soil mechanics and construction machinery as well as to research stations worldwide with interests in soil tillage, soil physics etc.
Author : W.E. Larson
Publisher : Springer Science & Business Media
ISBN 13 : 9400924216
Total Pages : 272 pages
Book Rating : 4.4/5 (9 download)
Download or read book Mechanics and Related Processes in Structured Agricultural Soils written by W.E. Larson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural soils are subjected to many applied mechanical stresses that influence their behavior. Stresses arise from tillage machines, seeders and chemicals applicators, tractors, and equipment for harvest and transport. Applied stresses may compact or loosen the bulk soil. Micro sections of soil (aggregates or clods) may be compacted during tillage while the bulk soil is loosened. Because most granular soils are combined into structural units of varying sizes with different strengths and properties, prediction of the effect of stresses on the behavior of bulk soils is difficult. The basic strength properties of soil are determined by many fac tors: the size distribution of particles, chemical and mineralogical properties of inorganic clay fraction, the organic matter content and composition, the water content and the stress history. These factors combine and interact to produce many possible behavior patterns. Changes in structure of the soil from applied stresses and biologi cal reactions may profoundly influence storage and transmission of water, heat, and air, and the mechanical resistance to penetration by plant roots. They may also affect the traction of vehicles. Manipulation of structural properties of soils by tillage implements is a major cost under most crop production systems. Reduced energy use is also a significant conservation objective. Improved management systems are very dependent upon a better understanding of soils' response to applied stresses. The content of this book resulted from a NATO Advanced Research Workshop held in St. Paul, Minnesota, U.S.A. September 13-16, 1988.
Author :
Publisher :
ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.:/5 (3 download)
Download or read book Agriculture Handbook written by and published by . This book was released on 1949 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Author :
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.:/5 (436 download)
Download or read book Advances in Soil Dynamics written by and published by . This book was released on 2009 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank Freese
Publisher :
ISBN 13 :
Total Pages : 1326 pages
Book Rating : 4.:/5 (31 download)
Download or read book Suggested Guide for the Use of Insecticides to Control Insects Affecting Crops, Livestock, Households, Stored Products, and Forest Products written by Frank Freese and published by . This book was released on 1966 with total page 1326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis R. Heldman
Publisher : CRC Press
ISBN 13 : 1498711073
Total Pages : 2120 pages
Book Rating : 4.4/5 (987 download)
Download or read book Encyclopedia of Agricultural, Food, and Biological Engineering written by Dennis R. Heldman and published by CRC Press. This book was released on 2010-10-21 with total page 2120 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : United States. Great Lakes Basin Commission
Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.3/5 (121 download)
Download or read book Great Lakes Basin Library: Interim Bibliography written by United States. Great Lakes Basin Commission and published by . This book was released on 1969 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Johnson Hake
Publisher : University of California, Agriculture and Natural Resources
ISBN 13 : 9781879906099
Total Pages : 430 pages
Book Rating : 4.9/5 (6 download)
Download or read book Cotton Production Manual written by S. Johnson Hake and published by University of California, Agriculture and Natural Resources. This book was released on 1996 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cotton Production Manual was written for growers everywhere who strive to improve cotton quality and productivity. Features a season-by season production calendar with pest and disease control, fertilization, and irrigation tips and a Diagnostic Guide to help you identify crop problems in the field with management options. 12 pages of color plates.
Author : Vincent A. Dodd
Publisher : CRC Press
ISBN 13 : 9789061919780
Total Pages : 690 pages
Book Rating : 4.9/5 (197 download)
Download or read book Agricultural Engineering Volume 3: Agricultural Mechanisation written by Vincent A. Dodd and published by CRC Press. This book was released on 1989-01-01 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: This set of proceedings volumes provides a broad coverage of basic and applied research projects dealing with the application of engineering principles to both food production and processing. The set consists of the following four volumes: Land and water use, Agricultural buildings, Agricultural mechanisation and Power, processing and systems. Includes about 450 papers from over 50 countries worldwide, drawn from the Eleventh International Congress on Agricultural Engineering, Dublin, 4-8 September 1989.
Author : Northwest Regional Educational Laboratory
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (3 download)
Download or read book Vocational Instructional Materials for Agriculture Available from Federal Agencies written by Northwest Regional Educational Laboratory and published by . This book was released on 1971 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Northwest Regional Educational Laboratory
Publisher :
ISBN 13 :
Total Pages : 810 pages
Book Rating : 4.E/5 ( download)
Download or read book Vocational Instructional Materials Available from Federal Agencies written by Northwest Regional Educational Laboratory and published by . This book was released on 1970 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. McKyes
Publisher : Elsevier
ISBN 13 : 0444601015
Total Pages : 305 pages
Book Rating : 4.4/5 (446 download)
Download or read book Agricultural Engineering Soil Mechanics written by E. McKyes and published by Elsevier. This book was released on 2012-12-02 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to classical soil mechanics and foundation engineering, and applies these principles to agricultural engineering situations. Theoretical design formulae are given, plus tables and graphs dealing with bearing capacity factors, wall pressure factors, soil cutting numbers and soil mechanical properties. Many example problems of design and analysis are solved in the text, and there are unsolved problems given for each chapter. The text begins with descriptions of soil origins and classification systems, including agricultural classification schemes, and then introduces classical concepts of soil strength and strength measurement techniques in the laboratory and in the field. Soil mechanics is applied to the design of shallow foundations, and the design formulae as well as tables of bearing capacity factors for design use are provided. New research and design findings in the specialized area of tall and heavy farm silos are also given, in addition to deep pile foundation design for heavy structures on very soft soils. Water flow in soils is treated, together with stability of ditch bank slopes and small earth dams, design of retaining walls and pressure pressures in bins and silos, soil erosion and protection methods, soil cutting and tillage design methods, soil compaction analysis, the use of geotextiles and problems of soil freezing. The book is directed primarily at professional university students in Agricultural Engineering, but will also be of interest to scientists working in other engineering branches, landscape architecture, soil physics and the like.
Author : Oklahoma. State Department of Vocational and Technical Education. Curriculum and Instructional Materials Center
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.F/5 ( download)
Download or read book Vocational Education : State Instruction Materials for ... written by Oklahoma. State Department of Vocational and Technical Education. Curriculum and Instructional Materials Center and published by . This book was released on 1974 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. J. Koolen
Publisher : Springer Science & Business Media
ISBN 13 : 3642690106
Total Pages : 252 pages
Book Rating : 4.6/5 (426 download)
Download or read book Agricultural Soil Mechanics written by A. J. Koolen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
