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Soil; Soil formation; Physical properties of soils; Soil water; Soil organic matter; Soil mnineralogy; Soil chemistry; Amending the soil; Fertilizers; Nitrogen; Phosphorus; Potassium; Calcium, Magnesium and Sulfur; The micronutrients; Variations in plant composition; Soil classification and survey; Land use and soil management; Water management; Soil conservation; Soil pollution.
Soils are one of the world's most important resources, and their protection, maintenance, and improvement is critical to the continuance of life on earth. Soil Fertility, Second Edition, offers thorough coverage of the fertility, composition, properties, and management of soils. This book carries on the tradition of excellence established by authors Henry Foth and Boyd Ellis, leading soil scientists whose previous books in this field have become multi-edition classics. The Second Edition of Soil Fertility has been significantly expanded to include more information on mineralogy, while keeping the thorough coverage of essential topics. The book presents soils as dynamic, constantly changing bodies, and relates soil fertility and management to the mineralogy of their origin. Four new chapters offer updated information on soil charge properties, ion adsorption, exchange and fixation, and soil reaction. There is also a far greater emphasis on environmental issues, reflecting the increasing importance of environmental concerns to agronomists and soil scientists today.
Recommended by users for its clear explanations and readability. Troeh and Thompson's Soil; and Soil Fertility provides and excellent overview of soils for students in agriculture and the environmental sciences. Now in its sixth edition, this book has been updated throughout and incorporates discussions of GIS (geographic information system) and GPS (global positioning system), humus and its function in soil structure and fertility, soil reclamation for sites contaminated by pesticides or petroleum spills, and advances in the understanding of water flow. In addition a new chapter on soil mechanics has been added, explaining the use of soils as foundation and construction material. Although fully updated, the text retains essential information on basic topics such as soil formation, soil chemistry, physical properties of soil, organic matter, mineralogy, and soil water movement and storage. It includes a detailed discussion of plant nutrients, their deficiency symptoms, and the fertilizers and soil amendments used to correct those deficiencies. Troeh and Thompson make a special effort to provide a uniquely broad perspective, complementing the varied backgrounds and interests of today's students. Instructors and students will appreciate this broad-based approach and through coverage.
Can a continuous growth of agriculture be achieved in the sub-Sahara region without inducing irreversible damage to the ecosystem? Until now, doubts have been expressed as to the actual capacity of the soils to sustain a desirable increase of production which can match the requirements of a fast-growing population. Thirty years of investigation and a renewed comprehensive interpretation of research data on soil fertility show that a sustainable agriculture growth could be a practical possibility in a savannah region.
Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.