Transient Three-dimensional Model for the Simulation of the Dynamic Interaction Between Soil Water, Solute Status and Root Growth

Transient Three-dimensional Model for the Simulation of the Dynamic Interaction Between Soil Water, Solute Status and Root Growth PDF Author: Francesca Somma
Publisher:
ISBN:
Category :
Languages : en
Pages : 360

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Dryland Ecohydrology

Dryland Ecohydrology PDF Author: Paolo D'Odorico
Publisher: Springer Science & Business Media
ISBN: 1402042604
Category : Science
Languages : en
Pages : 331

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By combining the analysis of biotic and abiotic components of terrestrial ecosystems, this volume provides a synthesis of material on arid and semiarid landscapes, which is currently scattered in a number of books and journal articles. The focus on water-limited ecosystems is motivated by their high sensitivity to daily, seasonal, and decadal perturbations in water availability, and by the ecologic, climatic, and economic significance of most of the world's drylands. Conceived as a tool for scientists working in the area of the earth and environmental sciences, this book presents the basic principles of eco-hydrology as well as a broad spectrum of topics and advances in this research field. The chapters have been contributed by authors with different expertise, who work in several arid areas around the world. They describe the various interactions among the biological and physical dynamics in dryland ecosystems, starting from basic processes in the soil-vegetation-climate system, to landscape-scale hydrologic and geomorphic processes, ecohydrologic controls on soil nutrient dynamics, and multiscale analyses of disturbances and patterns.

Advances in Agronomy

Advances in Agronomy PDF Author:
Publisher: Elsevier
ISBN: 0080490174
Category : Technology & Engineering
Languages : en
Pages : 451

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This volume in Advances in Agronomy contains seven outstanding reviews that discuss cutting edge developments in the crop and soil sciences. Chapter 1 addresses desertification and its relation to climate change. Chapter 2 discusses fate and transport of viruses in porous media. Chapter 3 is a comprehensive treatment of the future needs of root water and nutrient uptake modeling. Chapter 4 is a review on micronutrients in crop production, including a discussion on improving the supply and acquisition. Chapter 5 provides information on soils in tropical and temperate regions. Chapter 6 desribes free-air CO2 enrichment in agriculture. Lastly, chapter 7 discusses break crops and their application in organic agriculture.Advances in Agronomy continues to be recognized as a leading reference and a first-rate source of the latest and best research in agronomy. Major reviews deal with cutting edge issues of interest to agronomists, as well as crop and soil scientists. As always, the topics covered are varied and exemplary of the panoply of subject matter dealt with by this long-running serial. Donald Sparks is the editor and has been a president of the Soil Science Society of America.Advances in Agronomy has the highest impact factor among serial publications in Agriculture. The Science Citation Index, 1986, reports an impact factor over 2,459 and a cited half-life over 10 years.

Selected Water Resources Abstracts

Selected Water Resources Abstracts PDF Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 1198

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Chemical Abstracts

Chemical Abstracts PDF Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 2726

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Soil Physics with Python

Soil Physics with Python PDF Author: Marco Bittelli
Publisher:
ISBN: 0199683093
Category : Science
Languages : en
Pages : 461

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Book Description
This innovative study presents concepts and problems in soil physics, and provides solutions using original computer programs. It provides a close examination of physical environments of soil, including an analysis of the movement of heat, water and gases. The authors employ the programminglanguage Python, which is now widely used for numerical problem solving in the sciences. In contrast to the majority of the literature on soil physics, this text focuses on solving, not deriving, differential equations for transport. Using numerical procedures to solve differential equations allowsthe solution of quite difficult problems with fairly simple mathematical tools. Numerical methods convert differential into algebraic equations, which can be solved using conventional methods of linear algebra. Each chapter introduces a soil physics concept, and proceeds to develop computer programsto solve the equations and illustrate the points made in the discussion.Problems at the end of each chapter help the reader practise using the concepts introduced. The text is suitable for advanced undergraduates, graduates and researchers of soil physics. It employs an open source philosophy where computer code is presented, explained and discussed, and provides thereader with a full understanding of the solutions. Once mastered, the code can be adapted and expanded for the user's own models, fostering further developments. The Python tools provide a simple syntax, Object Oriented Programming techniques, powerful mathematical and numerical tools, and a userfriendly environment.

Selected Water Resources Abstracts

Selected Water Resources Abstracts PDF Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 1212

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Salinity and Drainage in San Joaquin Valley, California

Salinity and Drainage in San Joaquin Valley, California PDF Author: Andrew C. Chang
Publisher: Springer Science & Business Media
ISBN: 9400768516
Category : Nature
Languages : en
Pages : 429

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Book Description
This book documents the history of irrigated agriculture and drainage in the San Joaquin Valley, and describes the hydrology and biogeochemical processes of salts and selenium, remediation technologies for salts and trace elements and policy and management options. The contents are comprised of fourteen chapter-length independent treatises, each depicting with fresh perspective a distinctive salinity drainage topic. The opening chapters detail the evolution of irrigated agriculture, and depict the geochemical and hydrological processes that define the San Joaquin Valley, including the physics, chemistry, and biology attributes that impact water management policies and strategies. Next, the contributors address the biogeochemistry of selenium, the role of plants in absorbing it from soils, and the processes involved in retaining and concentrating dissolved salts in drainage water. Further chapters describe on-farm and plot-level irrigation provisions to reduce agricultural drainage outputs and examine their effects on plant performance. This volume offers realistic policy analysis of water management options for irrigated agriculture in the Valley and assesses their respective outcomes, if implemented. Also included is an international perspective on the sustainability of irrigated agriculture there.

Water Flow and Solute Transport in Soils

Water Flow and Solute Transport in Soils PDF Author: David Russo
Publisher: Springer Science & Business Media
ISBN: 3642779476
Category : Technology & Engineering
Languages : en
Pages : 323

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Book Description
A year has passed since Eshel Bresler, my good friend and colleague, and a member of the editorial board of the Advanced Series in Agricultural Sciences, died suddenly while on a visit to the Chinese Academy of Sciences in Beijing. We had worked together for almost 30 years at the Institute of Soils and Water, ARO, The Volcani Center at Bet Dagan. At the very beginning of our scientific careers we cooperated directly and as a result one of our first publications was coauthored (Soil Sci. 101:205-209, 1966). Thereafter, our specific research interests diver sified, but we continued to work together, with similar approaches to research, and to strive towards the development of Israel soil science and its integration into general worldwide scientific progress. I don't need to emphasize Eshel's contribution to the understan ding of the processes governing water flow and solute transport pro cesses in soils and unsaturated zones. The contributions to this Volume by such a body of outstanding scientists shows the apprecia tion of the international scientific community to his research achievements.

Bibliography of Agriculture

Bibliography of Agriculture PDF Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1922

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