Overview

Processes of acidification or alkalization of soils are treated, taking the qualitative changes in soil chemistry into consideration. Following a theoretical background of ecosystem proton budgets, the application for assessing external and internal acid loads are demonstrated. The chemistry of organic matter and the oxides of aluminum, iron, and manganese are treated in the context of being sources and sinks for acid loads in soils. Special attention is payed to the assessment of solubility and reaction kinetics of aluminous minerals. The formation of toxic elements in soil solution resulting from the solubilization of inorganic oxides as well as aspects of changes in the nutrient status of soils, changes of fertility and processes leading to a transfer of acidity from soils to surface are discussed.

Full Product Details

Author:   B. Ulrich ,  M.E. Sumner
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1991
Dimensions:   Width: 15.50cm , Height: 1.30cm , Length: 23.50cm
Weight:   0.376kg
ISBN:  

9783642744440

ISBN 10:   3642744443
Pages:   224
Publication Date:   16 December 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1 Soil Acidification and Alkalinization.- 1 Introduction.- 2 Definitions.- 3 Effects of Addition of Dissolved Strong Acid or Base.- 4 Internal Acid Production in Soils.- 5 Assimilation of Minerals by Biota.- 6 Redox Processes.- 7 Order of Magnitude of ?ANC by Various Groups of Processes.- References.- 2 Proton Sinks in Soil Controlling Soil Acidification.- 1 Introduction.- 2 Survey of Proton Sinks in Soil.- 3 Adsorption of Protons by Soil Constituents.- 4 Proton Consuming Dissolution Reactions.- 5 Secondary Reactions.- 5.1 Influence of Clay Minerals on Al-Speciation and Protonation of AlOH-Groups.- 5.2 Al-Saturation and pH Buffer Capacity of Clay Minerals.- References.- 3 An Ecosystem Approach to Soil Acidification.- 1 Implications of the Material Balance of the Ecosystem for Soil Acidification.- 2 Ecosystem Environment and Ecosystem Compartments.- 3 Can Ecosystem Theory be Based on Thermodynamic Laws?.- 4 A Mathematical Model of Terrestrial Ecosystems.- 5 Definitions of Acids and Bases in Soil.- 6 Inputs of Acids and Bases into Ecosystems.- 7 Input/Output Relations.- 8 Calculation of Proton Balances.- 9 State Variables of the Acid/Base Status of the Ecosystem.- 10 Assessment of Changes in Soil Acidity.- 11 The Temporal and Spatial Pattern of Soil Acidity.- 12 Interrelationship Between Ecosystem Functioning, Changes in Acid/Base Status of Soil, and Soil Development.- References.- 4 Influence of the Acid/Base Status on the Formation and Interactions of Acids and Bases in Soils.- 1 Introduction.- 2 Small Organic Acids in Soils.- 3 Macromolecular Acids in Soils.- 4 Organic Bases in Soils.- 5 Influences of Organic Acids and Bases in Soils.- 6 Summary and Conclusions.- References.- 5 The Chemistry of Aluminium, Iron and Manganese Oxides in Acid Soils.- 1 Introduction.- 2Aluminium Oxides.- 3 Iron Oxides.- 4 Manganese Oxides.- References.- 6 Assessing the Solubilities and Reaction Kinetics of Aluminous Minerals in Soils.- 1 Introduction.- 2 Experimental Determination of the Stabilities of Aluminous Minerals.- 3 Kinetics of Aluminous Mineral Precipitation/Dissolution Reactions.- 4 Interaction of Aluminous Mineral Stabilities and Reaction Kinetics in Soils and Other Terrestrial Systems.- References.- 7 Nutrient Status and Toxicity Problems in Acid Soils.- 1 Introduction.- 2 Soil Acidity and Nutrient Status.- 3 Toxicity Problems in Acid Soils.- 4 Ion Activities in the Soil Solution: An Alternative Perspective to Soil Acidity Problems.- 5 Concluding Remarks.- References.- 8 Effects of Soil Acidity on Plant Associations.- 1 Introduction.- 2 Effects of Single Factors.- 3 Interactions.- 4 Conclusions.- References.- 9 The Transfer of Acidity from Soils to Surface Waters.- 1 Introduction.- 2 Acid Neutralizing Capacity in Water.- 3 Acid Neutralizing Capacity in Soil Solutions.- 4 Quantification of the Processes.- 5 Other Processes.- 6 Conclusions.- References.

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