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: kingdoms, class, phylum, taxonomy, cryptograms, agricultural microbiology, genetic engineering, higher plants, biotechnology, lower plants, plant biology, morphology of organisms, anatomy of organisms

Topics: Nomenclature, Taxonomic Division, Taxonomic Key, Phylogenic Approach, Phenotypic Approach, Adamsonian Approach, Biochemical Test, Numerical Taxonomy, Phenetics, Taxomerics, Genetic Approach, Genome size, Bacteria DNA, DNA Hybridization, DNA Homology, RNA Sequencing, DNA Sequencing, Protein Profile, Protein Sequence, Ribosome, 16SrRNA Component

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: cell structure, cell function, Prokaryotic Cells, Eukaryotic Cells, atoms, chemical bonds, chemical reactions, Water, Acids, Bases, Salts, Photosynthesis, Carbohydrate Catabolism, metabolic functions, microbial nutrition, microbial growth, microbial metabolism, microbial genetics, gene function, Genomes, genetic recombination, genetic transfer, Recombinant DNA Technology, Microbial Control, Antimicrobial Drugs, Protozoa, fungi, algae, water molds, Parasitic Helminths, Vectors, viroid, prion, virus, viral replication, infectious disease, innate immunity, Epidemiology, infection, Pathogenic Gram-Positive Bacteria, immunization, immune testing, serological tests, antigens, Staphylococcus, Streptococcus, Enterococcus, Rickettsias, Chlamydias, Spirochetes, Vibrios, Patogenic Gram-Negative Cocci, Bacilli, Pathogenic Fungi, Pathogenic RNA Viruses, parasite, vector, Environmental Microbiology, applied microbiology, Food Microbiology, Industrial Microbiology, Papillomaviridae, Polyomaviridae, Adenoviridae, Hepadnaviridae, Parvoviridae, Propionibacterium