Advances in Soil Science: Soil Degradation Volume 11

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Springer Science & Business Media, 6 dec. 2012 - 345 pagini
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The purpose of Advances in Soil Science is to provide a forum for leading scientists to analyze and summarize the available scientific information on a subject, assessing its importance and identifying additional research needs. A wide array of subjects has been addressed by authors from many countries in the initial ten volumes of the series. The quick acceptance of the series by both authors and readers has been very gratifying and confirms our perception that a need did exist for a medium to fill the gap between the scientific journals and the comprehensive reference books. This volume is the first of the series devoted entirely to a single topic soil degradation. Future volumes will include both single-topic volumes as well as volumes containing reviews of different topics of soil science, as in the case of the first ten volumes. There are increasing concern and attention about managing natural re sources, particularly soil and water. Soil degradation is clearly one of the most pressing problems facing mankind. Although the spotlight regarding soil degradation in recent years has focused on Africa, concern about the degradation of soil and water resources is worldwide. The widespread con cern about global environmental change is also being linked to severe problems of soil degradation. Therefore, we are indeed pleased that the first volume of the series devoted to a single topic addresses such an impor tant issue. The current volume is also the first of the series involving a guest editor.
 

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Cuprins

G S V Raghavan P Alvo and E McKyes
2
Summary and Conclusions
29
Behavior Occurrence and Management
37
Introduction
38
Soil Classification and Occurrence of Hardsetting Soils
62
Management and Amelioration of Hardsetting Soils
73
Research and Development Priorities
96
Role of Plinthite and Related Forms in Soil Degradation
109
Conclusions
274
Perspective
275
Acknowledgments
276
Biological Degradation of Soil
290
Aspects of Soil Biology Affected by Land Degradation
298
Effects of Toxic Substances on Microorganisms
300
Effects of Mining Operations on Soil Biology
307
Effects of Land Management Practices on Soil Biology
308

The Global Risks
129
Plant and Soil Science Department University of Aberdeen Aberdeen
142
Soil Wetness and Anaerobiosis
173
Chemical Degradation of Soil
187
Their Reclamation and Management for Crop
222
Introduction
224
and Influences on Soil Properties
234
Reclaiming Alkali Soils
247
Crop Management in Alkali Soils
262
Reclamation of Saline Soils
271
Microorganisms as Pollutants
319
Conclusions
320
Research and Development Priorities
331
Separating Emotions from Facts
332
Restoring Productivity of Degraded Lands
333
Reaching Out
334
References
335
Index
337
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