Topics: soil microclimatology, weather elements, climate, atmospheric dynamics, solar radiation, heat transfer, Atmospheric Moisture, soil moisture, soil properties, soil conservation, Climatic Variables measurement, Evaporation, Evapotranspiration

Topics: research project, research, Literature Searching.project planning, literature review, Data Collection, documentary evidence

Topics: Soil Ecosystem, Microbial Ecology, soil ecosystem development, Soil Food Web, Biogeochemistry, Nutrient Cycling, Carbon cycling, Nitrogen Cycling, Plant Roots, Rhizosphere

Topics: Watershed Hydrology, Watershed Characteristics, Watershed Classification, Watershed Condition, Watershed Problems, hydrology, hydrological processes, surface water, ground water, water pollution, erosion, hydrographs, Watershed Management, Integrated Watershed Management

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: Environmental Microbiology, water pollution, water pollution prevention, soil pollution, soil pollution effects, soil pollution prevention, Waste Management Resources, waste disposal methods, landfill, incineration, Plasma gasification, composting, waste minimization, Biological reprocessing, Waste Management methods, sewage, wastewater treatment, Water purification, Water-Borne diseases, chemical oxygen demand, biological oxygen demand

Topics: Environmental Sanitation, water, municipal water purification, water purification, Coagulation, Flocculation, Sedimentation, Filtration, Disinfection, Chlorination, household water purification, Water standard, Water-borne disease, water-impounding disease, Water-vector disease, housing, building regulation, town-planning authorities, food hygiene, food safety, food handlers, food premises, Food Preservation, food regulation, nosocomial infections, causative organisms, oral health

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: 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