Topics: Soil microbiology, Soil Biochemistry, Nitrogen Cycle, Rhizosphere Microbes, Phosphorus Cycle, Biological Nitrogen Fixation, Mycorrhiza, organic matter, animal wastes, sewage materials, Petroleum Hydrocarbons, Detergents in Soils, Pesticides in Soils, bacteria, Archaea

Topics: soil resources, soil composition, soil properties, soil classification systems, Earth Natural Resources, land use, land cover change, Microorganisms interaction, organic materials interaction, inorganic materials interaction, Fertiliser effects, Pesticides effects, herbicides effect, Environmental Impact Assessment, Environmental Impact Assessment Processes, acid rain, Acid rain effects, Soil Organic Matter, Soil Living Organisms

Topics: Soil Analytical Techniques, Analytical Laboratory, Quality Assurance Control, Precision, Accuracy, Laboratory Chemicals, soil sampling, plant sampling, Nitrogen Determination, Phosphorus Determination, Potassium Determination, Colorimeter, Flame Photometer, Atomic Absorption Spectrophotometer

Topics: Alkylation of Enolates, Alkylation of Carbon Nucleophiles, Reactions of Carbon Nucleophiles with Carbonyl Compounds, functional group interconversion, Electrophilic Additions, Electrophilic Cyclization, Reduction of Carbon-Carbon Multiple Bonds, Concerted Cycloadditions, Unimolecular Rearrangements, Thermal Eliminations, Organometallic Compounds, Carbon-Carbon Bond-Forming Reactions, Organoboron Compounds, Organosilicon Compounds, Organotin Compounds, Aromatic Substitution Reactions, Oxidations, Multistep Syntheses

Topics: Land reclamation, soil degradation, soil pollution, water erosion, wind erosion, acidification, soil salinization, soil solidification, waste, climate change, deforestation, desertification, Land Reclamation Technologies, Soil compaction, splash erosion, sheet erosion, Gully Erosion, Landslides

Topics: soil habitat, Microorganism, bacteria, nitrogen fixer, disease suppressor

Topics: soil microorganism, carbon cycle, cellulose decomposition, hemicellulose decomposition, lignin decomposition, nitrogen cycle, nitrogen fixation, Nitrogen fixing bacteria, nitrification, denitrification

Topics: Soil microorganisms, carbon cycle, cellulose decomposition, hemicellulose decomposition, lignin decomposition, nitrogen cycle, ammonification, nitrogen fixation, Free-living nitrogen fixing-bacteria, symbiotic Nitrogen-fixing bacteria, proteolysis, nitrification, denitrification

Topics: Principles of Soil Science

Topics: Redox reactions, voltaic cells, electrode potentials, Nernst equation, electrolytic cells, oxidation numbers, balancing redox equations, redox chemistry, Electrochemistry, voltaic cells, cell notation, electrolytic cells, standard electrode potentials, standard hydrogen electrode, standard redox table, standard cell voltage, redox reactions, standard cell potential, equilibrium constant, Nernst equation