Registro Completo |
Biblioteca(s): |
Embrapa Hortaliças; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Pecuária Sudeste. |
Data corrente: |
29/10/1993 |
Data da última atualização: |
16/02/2004 |
Autoria: |
SCHNITZER, M.; KHAN, S. U. |
Título: |
Soil organic matter. |
Ano de publicação: |
1978 |
Fonte/Imprenta: |
New York: Elsevier, 1978. |
Páginas: |
319 p. |
ISBN: |
0-444-41610-2 |
Idioma: |
Inglês |
Conteúdo: |
Humic substances: chemistry and reactions. 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 substances. Carbohydrates in soil. 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. Organic nitrogen, phosphorus and sulfur in soils. Some characteristics of source materials. Total organic N, P and S soils. Analytical limitations. Fractionations. Biologically "meaningful" fractions. The interaction of organic matter with pesticides. Nature of pesticides. Mechanisms of adsorption. Adsorption isotherms. Adsorption of specific types of pesticides by organic matter. Adsorption of pesticides of pesticides by organic matter - clay complexes. Techniques used in pesticides - organic matter interaction studies. Chemical alteration and binding of pesticides. Soil organic carbon, nitrogen and fertility. Carbon and nitrogen and effect of soil forming factors on them. Effects of management on soil organic matter. Nitrogen transformations in soil. Environmental factors affecting mineralization. Dynamics of organic matter transformations. Nitrogen availability and its estimation. Fertility related factors. Soil organic sulfur and fertility. 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. MenosHumic substances: chemistry and reactions. 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 substances. Carbohydrates in soil. 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. Organic nitrogen, phosphorus and sulfur in soils. Some characteristics of source materials. Total organic N, P and S soils. Analytical limitations. Fractionations. Biologically "meaningful" fractions. The interaction of organic matter with pesticides. Nature of pesticides. Mechanisms of adsorption. Adsorption isotherms. Adsorption of specific types of pesticides by organic matter. Adsorption of pesticides of pesticides by organic matter - clay complexes. Techniques used in pesticides - organic matter interaction studies. Chemical alteration and binding of pesticides. Soil organic carbon, nitrogen and fertility. Carbon and nitrogen and effect of soil forming factors on them. Effects of management on soil organic ma... Mostrar Tudo |
Thesagro: |
Análise; Carboidrato; Carbono; Composto Orgânico; Enxofre; Fertilidade do Solo; Fósforo; Matéria Orgânica; Nitrogênio; Pesticida; Química; Solo; Solo Orgânico. |
Thesaurus Nal: |
chemistry; organic compounds; organic matter; organic soils; pesticides; soil. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02817nam a2200373 a 4500 001 1775284 005 2004-02-16 008 1978 bl uuuu 00u1 u #d 020 $a0-444-41610-2 100 1 $aSCHNITZER, M. 245 $aSoil organic matter. 260 $aNew York: Elsevier$c1978 300 $a319 p. 520 $aHumic substances: chemistry and reactions. 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 substances. Carbohydrates in soil. 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. Organic nitrogen, phosphorus and sulfur in soils. Some characteristics of source materials. Total organic N, P and S soils. Analytical limitations. Fractionations. Biologically "meaningful" fractions. The interaction of organic matter with pesticides. Nature of pesticides. Mechanisms of adsorption. Adsorption isotherms. Adsorption of specific types of pesticides by organic matter. Adsorption of pesticides of pesticides by organic matter - clay complexes. Techniques used in pesticides - organic matter interaction studies. Chemical alteration and binding of pesticides. Soil organic carbon, nitrogen and fertility. Carbon and nitrogen and effect of soil forming factors on them. Effects of management on soil organic matter. Nitrogen transformations in soil. Environmental factors affecting mineralization. Dynamics of organic matter transformations. Nitrogen availability and its estimation. Fertility related factors. Soil organic sulfur and fertility. 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. 650 $achemistry 650 $aorganic compounds 650 $aorganic matter 650 $aorganic soils 650 $apesticides 650 $asoil 650 $aAnálise 650 $aCarboidrato 650 $aCarbono 650 $aComposto Orgânico 650 $aEnxofre 650 $aFertilidade do Solo 650 $aFósforo 650 $aMatéria Orgânica 650 $aNitrogênio 650 $aPesticida 650 $aQuímica 650 $aSolo 650 $aSolo Orgânico 700 1 $aKHAN, S. U.
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Embrapa Hortaliças (CNPH) |