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Author: J. E. Gieseking
Publisher: Springer Science & Business Media
ISBN: 3642659179
Category : Science
Languages : en
Pages : 683
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Book Description
The major components of most soils are inorganic. These constituents are derived from the weathering of rocks and minerals or from subsequent reaetions and interactions of the weathering products. During the weathering and interactions of weathering products, in organic soil colloids are formed. Large amounts of inorganic colloids are essential in soils if they are to support luxurious plant growth. The colloids adsorb water and nutrient element s that might be lost from the soil &ystem and they release these as plants need them. They also adsorb and buffer the soil system against large excesses of soluble toxic substances that might otherwise exist as free moieties in soils. Soil and plant root interactions occur across two interfaces. One is the interface between plant roots and the liquid phase and the other is the interface between the soil particles and the liquid phase. Reaetions across the interface between colloid crystals and the soilliquid phase may also suppress the availability of nutrient elements to plants. The effectiveness of these interfaciaI reaetions in supporting optimum plant growth ultimately depends on the arrangements of ions in the surfaces and subsurfaces of the mineraI crystals. For this reason much of this volume is devoted to the arrangement of ions in crystalline mineraI particles commonly occuring in soils and the properties that these particles contribute to soiI systems.
Author: J. E. Gieseking
Publisher: Springer Science & Business Media
ISBN: 3642659179
Category : Science
Languages : en
Pages : 683
Get Book Here
Book Description
The major components of most soils are inorganic. These constituents are derived from the weathering of rocks and minerals or from subsequent reaetions and interactions of the weathering products. During the weathering and interactions of weathering products, in organic soil colloids are formed. Large amounts of inorganic colloids are essential in soils if they are to support luxurious plant growth. The colloids adsorb water and nutrient element s that might be lost from the soil &ystem and they release these as plants need them. They also adsorb and buffer the soil system against large excesses of soluble toxic substances that might otherwise exist as free moieties in soils. Soil and plant root interactions occur across two interfaces. One is the interface between plant roots and the liquid phase and the other is the interface between the soil particles and the liquid phase. Reaetions across the interface between colloid crystals and the soilliquid phase may also suppress the availability of nutrient elements to plants. The effectiveness of these interfaciaI reaetions in supporting optimum plant growth ultimately depends on the arrangements of ions in the surfaces and subsurfaces of the mineraI crystals. For this reason much of this volume is devoted to the arrangement of ions in crystalline mineraI particles commonly occuring in soils and the properties that these particles contribute to soiI systems.
Author: Michael Gillings
Publisher: Garland Science
ISBN: 020350660X
Category : Science
Languages : en
Pages : 326
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Book Description
Plant Microbiology provides a comprehensive source of information on DNA sequencing and mapping, the newest technology and procedures in areas such as radiation hybrid mapping, FISH and specialized sequencing techniques are covered. The book also describes how transgene expression is controlled in plants and how advanced information strategies can be used to manipulate and modify the plant genome. An exciting final chapter provides and overview of all the applications of plant transformation in agriculture, medicine and industry.
Author: Jacques Berthelin
Publisher: John Wiley & Sons
ISBN: 1119544009
Category : Technology & Engineering
Languages : en
Pages : 310
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Book Description
This introductory book to the six volume series includes an introduction defining the critical zone for mankind that extends from tree canopy and the lower atmosphere to water table and unweathered rock. Soils play a crucial role through the functions and the services that they provide to mankind. The spatial and temporal variability of soils is represented by information systems whose importance, recent evolutions and increasingly performing applications in France and in the world must be underlined. The soil functions, discussed in this book, focus on the regulation of the water cycle, biophysicochemical cycles and the habitat role of biodiversity. The main services presented are those related to the provision of agricultural, fodder and forest products, energy, as well as materials and the role of soil as infrastructure support. They also include the different cultural dimensions of soils, their representations being often linked to myths and rites, as well as their values of environmental and archaeological records. Finally, the issue is raised of an off-ground world.
Author: Rattan Lal
Publisher: CRC Press
ISBN: 9780824753245
Category : Technology & Engineering
Languages : en
Pages : 736
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Book Description
Principles of Soil Physics examines the impact of the physical, mechanical, and hydrological properties and processes of soil on agricultural production, the environment, and sustainable use of natural resources. The text incorporates valuable assessment methods, graphs, problem sets, and tables from recent studies performed around the globe and offers an abundance of tables, photographs, and easy-to-follow equations in every chapter. The book discusses the consequences of soil degradation, such as erosion, inhibited root development, and poor aeration. It begins by defining soil physics, soil mechanics, textural properties, and packing arrangements . The text continues to discuss the theoretical and practical aspects of soil structure and explain the significance and measurement of bulk density, porosity, and compaction. The authors proceed to clarify soil hydrology topics including hydrologic cycle, water movement, infiltration, modeling, soil evaporation, and solute transport processes. They address the impact of soil temperature on crop growth, soil aeration, and the processes that lead to the emission of greenhouse gases. The final chapters examine the physical properties of gravelly soils and water movement in frozen, saline, and water-repellant soils. Reader-friendly and up-to-date, Principles of Soil Physics provides unparalleled coverage of issues related to soil physics, structure, hydrology, aeration, temperature, and analysis and presents practical techniques for maintaining soil quality to ultimately preserve its sustainability.
Author: Malcolm E. Sumner
Publisher: CRC Press
ISBN: 9780849331367
Category : Technology & Engineering
Languages : en
Pages : 2240
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Book Description
The Handbook of Soil Science provides a resource rich in data that gives professional soil scientists, agronomists, engineers, ecologists, biologists, naturalists, and their students a handy reference about the discipline of soil science. This handbook serves professionals seeking specific, factual reference information. Each subsection includes a description of concepts and theories; definitions; approaches; methodologies and procedures; tabular data; figures; and extensive references.
Author: Pan Ming Huang
Publisher: CRC Press
ISBN: 1439803080
Category : Science
Languages : en
Pages : 821
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Book Description
An evolving, living organic/inorganic covering, soil is in dynamic equilibrium with the atmosphere above, the biosphere within, and the geology below. It acts as an anchor for roots, a purveyor of water and nutrients, a residence for a vast community of microorganisms and animals, a sanitizer of the environment, and a source of raw materials for co
Author: Luiz, Arun T.
Publisher: S. Chand Publishing
ISBN: 9385676032
Category : Science
Languages : en
Pages : 184
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Book Description
Environmental Science & Engineering
Author: Disha Experts
Publisher: Disha Publications
ISBN: 9390152348
Category :
Languages : en
Pages : 555
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Book Description
Author: Disha Experts
Publisher: Disha Publications
ISBN: 9386323753
Category :
Languages : en
Pages : 529
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Book Description
10 in ONE CBSE Study Package Biology class 12 with 5 Sample Papers is another innovative initiative from Disha Publication. This book provides the excellent approach to Master the subject. The book has 10 key ingredients that will help you achieve success. 1. Chapter Utility Score 2. Board 2017 Solved Paper 3. Exhaustive theory based on the syllabus of NCERT books along with the concept maps for the bird's eye view of the chapter. 4. NCERT Solutions: NCERT Exercise Questions. 5. VSA, SA & LA Questions: Sufficient Practice Questions divided into VSA, SA & LA type. 6. Past Years Questions: Past 10 year Questions of Board Exams are also included. 7. HOTS/ Exemplar/ Value based Questions: High Order Thinking Skill Based, Moral Value Based and Selective NCERT Exemplar Questions included. 8. Chapter Test: A 30-40 marks test of 60 min. to assess your preparation in each chapter. 9. Important Formulae, Terms and Definitions 10. Full syllabus Sample Papers - 5 papers with detailed solutions designed exactly on the latest pattern of CBSE Board.
Author: Alfred R. Conklin
Publisher: John Wiley & Sons
ISBN: 0471728217
Category : Science
Languages : en
Pages : 241
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Book Description
A guide to soil analysis for chemists and environmental scientists Soil-so essential to life on earth-is one of the most complicated of materials. A complex mixture of inorganic and organic solids, liquids, and gases, soil presents a challenging material for analysis, especially for researchers who are not specialists in soil chemistry. This clear, broadly applicable reference provides chemists and environmental scientists with the background they need to analyze soil, interpret their findings, and develop new analytical methods for soil. Introduction to Soil Chemistry will also be valuable to the soil scientist confronting soil analyses that appear to be incorrect or do not work. Introduction to Soil Chemistry: Analysis and Instrumentation investigates the most important soil characteristics that impact analysis and the procedures, chemicals, and equipment used to determine the composition and quantity of soil constituents. It also discusses factors that interfere with accurate soil analysis. Chapters examine such topics as: * Large features-horizons, peds, soil color, and soil naming * Microscopic to atomic orbital description of soil chemical characteristics * Soil components in combination * The biological and organic components in soil * The soil solution and soil air * Electrical measurements, titration, and extraction * Spectroscopy and chromatography * Speciation This book is enhanced by numerous examples within the text, which provide the reader with a practical understanding of various analytical procedures, along with the pitfalls and interferences that may be encountered. Bibliographies and additional resources appear at the end of each chapter.
