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Author :
Publisher :
ISBN 13 : 9780891183105
Total Pages : pages
Book Rating : 4.1/5 (831 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : EUA) AMERICAN SOCIETY OF AGRONOMY (Madison
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (79 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by EUA) AMERICAN SOCIETY OF AGRONOMY (Madison and published by . This book was released on 1985 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tillage acomplishments and potential; Efects of tillage on soil physical properties and processes; Examples of prediction of tillage effects on soil properties and processes; Application of predictions of soil physical properties and processes to prediction of crop growth.
Author : American Society of agronomy
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (97 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Process written by American Society of agronomy and published by . This book was released on 1985 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Society of Agronomy. Meeting
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (841 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by American Society of Agronomy. Meeting and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : USA) AMERICAN SOCIETY OF AGRONOMY (Madison
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (693 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by USA) AMERICAN SOCIETY OF AGRONOMY (Madison and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Hawkins
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (256 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by S. Hawkins and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David M. Kral
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (852 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by David M. Kral and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (223 download)
Download or read book Predicting Tillage Effects on Soil Physical Properties and Processes written by and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9780891180692
Total Pages : 192 pages
Book Rating : 4.1/5 (86 download)
Download or read book Organic Farming written by and published by . This book was released on 1982 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (71 download)
Download or read book Proceedings... written by and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tillage accomplishments and potencial; Effects of tillage on soil physical propreties ans processes; Examples of prediction of tillage effects on soil properties and processes; Predicting tillage effects on infiltration; Predicting tillage effects on evaporation from the soil; Modeling tillage effects on soil temperature; Modeling soil mechanical behavior during tillage; Application of precditions of soil physical properties and processes to prediction of crop growth.
Author : P. W. Unger
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (76 download)
Download or read book Tillage Effects on Soil Physical Properties and Process ; Proceeding written by P. W. Unger and published by . This book was released on 1982 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eugene Roytburg
Publisher :
ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.:/5 (319 download)
Download or read book Stochastic Modeling of Soil Condition During Tillage written by Eugene Roytburg and published by . This book was released on 1997 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frédéric Antoine Dadoun
Publisher :
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.3/5 (129 download)
Download or read book Modelling Tillage Effects on Soil Physical Properties and Maize (Zea Mays, L.) Development and Growth written by Frédéric Antoine Dadoun and published by . This book was released on 1993 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : IICA
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4./5 ( download)
Download or read book written by and published by IICA. This book was released on with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mataba Tapela
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (498 download)
Download or read book Tillage Effects on Seedbed Physical Properties written by Mataba Tapela and published by . This book was released on 2001 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intensive tillage requires high energy input and may be detrimental to the environment. There is a need to develop decision support tools to assist farmers in determining optimum tillage intensity for high yields. Previous studies developed quantitative indices that related tilth conditions to yield. The indices, however, proved to be inadequate and sometimes inconsistent. Thus, a three-part research project was carried out from 1998 to 2000 to quantify seedbed condition following tillage and to explain subsequent variation in corn (Zea mays L) yield. Conventional and spatial statistics were used to study the effects of bulk density, penetration resistance and soil moisture content on and biomass at the V2 growth stage (the corn growth stage when the collar of the second leaf has fully developed), and grain yield. A soil condition index was developed and it combined soil physical properties into a single value that was related to yield using regression methods. The soil condition index gave promising results for prediction of early season plant biomass, but was not helpful in predicting grain yield. Confounding of weather conditions made it difficult to determine the true functional relationship between soil tilth and crop yield. Yield and soil map overlays revealed spatial patterns that would have otherwise been aggregated' if only conventional statistical methods were used. With careful experimental design, the impact of weather and other sources of experimental error in tillage trials could be minimized. The research project provided a framework for future experiments focused on quantifying soil tilth.
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 : Robert Lee Hill
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (118 download)
Download or read book Tillage Effects on Selected Soil Physical Properties written by Robert Lee Hill and published by . This book was released on 1984 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
