E-Book, Englisch, Band 9, 219 Seiten, eBook
Reihe: Advances in Soil Science
Advances in Soil Science
Erscheinungsjahr 2012
ISBN: 978-1-4612-3532-3
Verlag: Springer US
Format: PDF
Kopierschutz: 1 - PDF Watermark
Volume 9
E-Book, Englisch, Band 9, 219 Seiten, eBook
Reihe: Advances in Soil Science
ISBN: 978-1-4612-3532-3
Verlag: Springer US
Format: PDF
Kopierschutz: 1 - PDF Watermark
Soil is formed from the physical and chemical weathering of rocks-processes described historically because they involve eons of time-by glaciation, and by wind and water transport of soil materials, later deposited in deltas and loessial planes. Soil undergoes further transformations over time and provides a habitat for biological life and a base for the development of civilizations. Soil is dynamic - always changing as a result of the forces of nature and particularly by the influences of man. Soils have been studied as long as history has been documented. W. H. Gardner told of writings on clay tablets, dating about 1700 Be, in his review, "Early Soil Physics into the Mid-20th Century;' published in Volume 4 of this series. Those writings gave specific instructions on cultivating the soil and seeding crops. Numerous references to soil are found in historical writings, such as Aristotle (384-322 Be), Theophrastus (372-286 Be), Cato the Elder (234-149 Be), and Varro (116-27 Be). Some of the earliest historical refer ences to soil 3000 or more years ago have to do with erosional forces of wind and water. The study of soils today has taken on increased importance because a rapidly expanding population is placing demands on soil that has never before been experienced. Soil scientists have professionally divided themselves into separate disciplines-physics, chemistry, microbiology, mineralogy, genesis, and the like. Studies range from very basic to very applied, and to literally every corner of the earth, and ofthe moon as well.
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Weitere Infos & Material
Use of Gypsum on Soils: A Review.- I. Introduction.- II. Use of Gypsum on Dispersive Soils.- III. Gypsum As an Ameliorant for Acid Subsoils.- IV. Environmental Concerns in Phosphogypsum Use.- V. General Conclusions.- References.- Heavy Metals in Soils and Their Environmental Significance.- I. Introduction.- II. Sources of Pollution.- III. Mobility of Metals in Soils and Landscapes.- IV. Ecological Consequences of Heavy Metal Pollution of Soils.- V. Prediction of the Impact of Heavy Metal Pollution of Soils.- VI. Guidelines for Regulatory Control of Pollution of Agricultural Land.- VII. Final Comment.- References.- The Use of Extractants in Studies on Trace Metals in Soils, Sewage Sludges, and Sludge-Treated Soils.- I. Introduction.- II. Forms of Combination of Trace Metals in Sewage Sludge, Sludged Soils, or Soils.- III. Survey of Extractants.- IV. Discussion.- References.- Using Soil Survey Data for Quantitative Land Evaluation.- I. Introduction.- II. Soil Survey Interpretation and Land Evaluation.- III. Modern Land Use Questions.- IV. Innovative Uses of Soil Survey Data.- V. Future Developments.- References.
