Table of Contents

1. Chemistry and Turnover of Naturally Occurring Resistant Organic Compounds in Soil 2. In Situ Analysis of Soil Components of Biological Origin 3. Oxidative Coupling of Aromatic Compounds by Enzymes from Soil Microorganisms 4. Control of Urea Transformations in Soils 5. Chemistry and Distribution of Amino Sugars in Soils and Soil Organisms 6. Biochemistry, Ecology, and Microbiology of Petroleum Components in Soil 7. Biological Nitrogen Fixation 8. Denitrification 9. Heavy Metals in Soil Biology and Biochemistry 10. Microbial Biomass in Soil: Measurement and Turnover