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Author: Jean-Paul Legros Publisher: CRC Press ISBN: 157808783X Category : Science Languages : en Pages : 480
Book Description
This profusely illustrated book gives an exhaustive account of the principal types of soils of our planet. The "progressive descent of weathering fronts" model, recognized and used by eminent international scientists is the guiding principle of choice to link the observations and to give the reader a synthetic and coherent view of the differentiation of soils. In each case, the introductory reminders summarize the physicochemical and mineralogical principles necessary for understanding the text. The nomenclatures rely systematically and simultaneously on the two most commonly used classifications: Soil Taxonomy and World Reference Base. This reference manual is aimed at students of the undergraduate and graduate courses, but is also intended for workers and scientists in this subject area (geologists, pedologists, agronomists, land-use planners, foresters, etc.) as well as for all those concerned with or interested in protection of the environment.
Author: Jean-Paul Legros Publisher: CRC Press ISBN: 157808783X Category : Science Languages : en Pages : 480
Book Description
This profusely illustrated book gives an exhaustive account of the principal types of soils of our planet. The "progressive descent of weathering fronts" model, recognized and used by eminent international scientists is the guiding principle of choice to link the observations and to give the reader a synthetic and coherent view of the differentiation of soils. In each case, the introductory reminders summarize the physicochemical and mineralogical principles necessary for understanding the text. The nomenclatures rely systematically and simultaneously on the two most commonly used classifications: Soil Taxonomy and World Reference Base. This reference manual is aimed at students of the undergraduate and graduate courses, but is also intended for workers and scientists in this subject area (geologists, pedologists, agronomists, land-use planners, foresters, etc.) as well as for all those concerned with or interested in protection of the environment.
Author: Denis Baize Publisher: ISBN: Category : Science Languages : en Pages : 216
Book Description
Coarse fragments; Residual water content; Organic carbon (OC) and organic matter (OM); Loss on ignition; Particle size analysis; Determination of particle size after removal of carbonate; Calculation and use of "Granulometric Skeletons"; Total and "Active" calcium carbonate; Cation exchange capacity (CEC); Exchangeable cations, exchange acidity, saturation levels, and exchange acidity ratios; Iron, aluminium and manganese; Total chemical analysis; X-Ray diffractometry; Porosity and bulk density; Characteristic water content; Structural stability and percolation tests; Soils giving rise to special problems.
Author: Marc Pansu Publisher: Springer Science & Business Media ISBN: 3540312110 Category : Science Languages : en Pages : 996
Book Description
This handbook is a reference guide for selecting and carrying out numerous methods of soil analysis. It is written in accordance with analytical standards and quality control approaches. It covers a large body of technical information including protocols, tables, formulae, spectrum models, chromatograms and additional analytical diagrams. The approaches are diverse, from the simplest tests to the most sophisticated determination methods.
Author: Maurice Bonneau Publisher: ISBN: Category : Technology & Engineering Languages : en Pages : 574
Book Description
Identification and quantitative evaluation of the mineral constituents; Amorphous and crystalline oxyhydroxides and oxides in soils (iron, aluminium, manganese, silicon); The Clay minerals; The conditions of formation of secondary constituents; Ecological significance of the weathering complex. Relative importance of general and local factors; Genesis and properties of humic molecules; Soil biology; Soil solution: composition and pedogenic significance; Analysis of the organo-mineral complexes of soils; Study of the turnover of soil organic matter using radioisotopes (14C); Particle size analysis; Assembly and physical organization of particles; Soil fabric at the microscopic level; Soil and water; Aeration and redox phenomena in soils; Soil temperature; Theconcept of pedoclimate; The exchange complex: the general laws of anion and cation exchange; Mechanisms regulating the pH of soils; Forms of elements in soil in relation to plant nutrition; Lime in soils: calcium and magnesium; Potassium; Nitrogen; Phosphorus and sulphur; Trace elements essential to the growth of plants, and toxicity phenomena; Conclusion: relations between plant nutrition and physical properties; The cartography of soils.
Author: Jean-Paul Legros
Author: Jean-Paul Legros
Author: Denis Baize
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Author: 
Author: Marc Pansu
Author: Maurice Bonneau
Author: 
Author: [Anonymus AC00377670]
Author: Nicolas Fedoroff
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