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Soil organic matter /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam ; New York : New York :
Elsevier Scientific Pub. Co. ; Distributors for the U.S. and Canada, Elsevier/North-Holland,
1978.
|
| Colección: | Developments in soil science ;
8. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Soil Organic Matter; Copyright Page; Contents; Preface; Chapter 1. Humic Substances: Chemistry and Reactions; Introduction; Synthesis of humic substances; Extraction of humic substances; Fractionation and purification; The characterization of humic materials; The analysis of humic substances
- non-degradative methods; Degradative methods; The isolation of alkanes and fatty acids from humic substances; The chemical structure of humic substances; Reactions of HA's and FA's with metals and minerals; Reactions of humic substances with organic compounds
- Physiological effects of humic substancesSummary; References; Chapter 2. Carbohydrates in Soil; Introduction; General nature of carbohydrates; nomenclature; Carbohydrate distribution in soil; Composition of soil carbohydrates; Properties of soil polysaccharides; Origin of soil polysaccharides; Behaviour and significance of soil carbohydrates; References; Chapter 3. Organic Nitrogen, Phosphorus and Sulfur in Soils; Introduction; Some characteristics of source materials; Total organic N, P and S in soils; Analytical limitations; Fractionations; Biologically "meaningful" fractions
- Concluding remarksReferences; Chapter 4. The Interaction of Organic Matter with Pesticides; Introduction; Nature of pesticides; Mechanisms of adsorption; Adsorption isotherms; Adsorption of specific types of pesticides by organic matter; Adsorption of pesticides by organic matter-clay complexes; Techniques used in pesticides-organic matter interaction studies; Chemical alteration and binding of pesticides; Summary; References; Chapter 5. Soil Organic Carbon, Nitrogen and Fertility; Introduction; Carbon and nitrogen and effect of soil forming factors on them
- Effects of management on soil organic matterNitrogen transformations in soil; Environmental factors affecting mineralization; Dynamics of organic matter transformations; Nitrogen availability and its estimation; Fertility related factors; Conclusions; References; Chapter 6. Soil Organic Sulfur and Fertility; Introduction; Nature and distribution of organic sulfur in soil; Effects of management on soil organic sulfur; Sulfur transformations in soil; Environmental factors affecting mineralization; Sulfur availability and availability indexes; Conclusions; References; Subject Index