02355nam a2200361 a 450000100080000000500110000800800410001902000180006010000190007824500710009726000400016830000110020852014880021965000150170765000190172265000160174165000110175765000120176865000220178065000150180265000090181765000100182665000130183665300150184965300230186465300250188765300150191265300070192765300090193465300100194370000190195370000210197210041642014-09-17       1982    bl uuuu      00u1 u    #d  a0-250-40514-81 aMORRILL, L. G.  aOrganic compounds in soilsbsorption, degradation and persistence.  aAnn Arbor : Ann Arbor Sciencec1982  a326 p.  aOrganic pollutants. Their sources and fate in the enviroment. Adsorption. Adsorbents and their effects. Adsorbates and their effects. Solvent effects. Predictive models for quantitative decomposition of organic compounds in soil. Factors affecting degradation of pesticides and other organic compounds in soils. degradation pathways and products of pesticides in soils. General concepts on pesticide transformation in soil. Persistence of pesticides in soils. Characteristcs of some common clay minerals. Listing of bonding types of some materials. classification of adsorption isotherms. Diagrammatic sketch of structure of kaolinite and montmorillonite clay minerals. A partial chemical structure of a hypothetical humic acid molecule.A partial chemical structure of a hypothetical humic acid molecule. Flow chart showing the fate of organic compounds applied to soil. Influence of chemical structure on the decomposition (Days to disappearance) of phenoxy compounds in soil suspension. Rlative degradation rates of some pesticides in soils under aerobic (Upland) and anaerobic (Flooded) conditions. Persistence of some pesticides. Organic compounds not decomposed in relativevy short time periods. Polymers resistant to microbial degradation. t1/2 for a range of n reaction orders and Co for the power rate model. Relationship between observed and calculated values of 1/1st-Order rate K of five herbicides in soil. Dechlorination process involving DDT. Degrdation pathway of DDT.  aAdsorption  aClassification  aDegradation  aMatter  aOrganic  aOrganic compounds  aPesticides  aSoil  aSoils  aSorption  aAdubação  aComposto orgânico  aDegradação do solo  aPesticidas  aPh  aSolo  aSolos1 aMAHILUM, B. C.1 aMOHIUDDIN, S. H.