Topics: soil properties, soil management, tropical environment, temperature, solar radiation, rainfall, tropical climates, vegetation, physiography, Anthropocene, biodiversity, climate change, demographics, Green Revolutions, Tropical Agroecosystems, land use, land-use change, Pedology, Physics, Chemistry, Biology, Laterite Paradigm, tropical soils, tropical soil research, Soil Taxonomy, soil classification systems, soil physical properties, soil temperature, soil structure, soil compaction, soil water, soil erosion, conservation, conservation agriculture, water, rainfed agriculture, irrigated agriculture, irrigation, mineralogy, clay minerals, mineralogy families, Anion Exchange Capacity, soil acidity capacity, Acid Soil Infertility, Liming, overliming, subsoil acidity, secondary acidity, soil biology, soil biodiversity, comminution, decomposition, nutrient elements transformation, soil structure regulation, organic carbon, carbon pools, carbon fractions, animal manures, composts, biochars, organic farming, soil fertility, nutrient cycling, nutrient uptake, determining fertilizer needs, nitrogen cycle, nitrogen pools, atmospheric deposition, biological nitrogen fixation, mineral fertilizers, organic nitrogen mineralization, soil nitrogen fertilizer reactions, Phosphorus Cycle, Phosphorus, Total Soil Phosphorus, inorganic Phosphorus, Phosphorus sorption, Phosphorus release, plant Phosphorus requirements, Phosphorus fertilization, sulfur cycle, sulfur sorption, Sulphur fertilization, Forest–Soil Nutrient Cycles, land clearing, Mechanized Land Clearing, Crop Yield Declines, Field Abandonment, Secondary Forest Fallows, puddling, flooding, rice cultivation systems, Nutrient Management, Yield Stagnation, Nitrogen Sequestration, Livestock-Based Tropical Systems, tropical pastures, Tropical Livestock Management Systems, pastoralism, Smallholder Mixed Crop–Livestock Systems, Extensive Pasture-Based Beef Production, Pasture Degradation, Crop–Pasture Integration, Tropical Tree-Based Systems, Plantation Forestry, Plantation Forestry Species, Agroforestry, Agroforestry Tree Species, Agroforestry Systems, Simultaneous Agroforestry, Sequential Agroforestry, tree crops

Topics: soil science, soil habitat, soil mineral components, soil organisms, soil organic matter, soil structure, soil micromorphology, soil porosity, soil-forming factors, climate, hydrologic cycle, soil temperature, evaporation, cation exchange, Anion adsorption, Clay–organic matter interactions, soil aeration, soil respiration, soil profile, Hydromorphic soils, Salt-affected soils, nutrient cycling, phosphorus, sulphur, potassium, calcium, magnesium, trace elements, soil management, soil acidity, liming, soil erosion, fertilizers, pesticides, nitrogen fertilizers, phosphate fertilizers, plant protection, problem soils, soil drainage, soil information systems, soil survey methods, soil quality

Topics: Fluid Mechanics, Fluid-Flow Phenomena, Equations of Fluid Flow, Flow of Incompressible Fluids, Flow of Compressible Fluids, Flow past immersed bodies, Transportation of fluids, Metering of fluids, Agitation of liquids, mixing of liquids, Heat transfer, heat flow in fluids, Heat transfer to fluids without phase change, Heat transfer to fluids with phase change, Radiation heat transfer, Heat exchange equipment, Evaporation, Equilibrium stage operations, Distillation, multicomponent distillation, Leaching, Extraction, Diffusion, Mass Transfer between Phases, Gas Absorption, Humidification Operations, Drying of Solids, Adsorption, Membrane Separation Processes, Crystallization, Properties of Particulate Solids, Handling of Particulate Solids, Mixing of Particulate Solids, Mechanical Separations

Topics: cell structure, cell organization, specimens, diffusion, osmosis, active transport, biological molecules, proteins, DNA structure, water, enzymes, enzyme action, plant nutrition, photosynthesis, leaf structure, human nutrition, diet, alimentary canal, mechanical digestion, chemical digestion, absorption, water uptake, transpiration, translocation, heart, blood, lymphatic vessels. blood, diseases, immunity, human gas exchanges, respiration, aerobic respiration, anaerobic respiration, excretion, co-ordination, human nervous control, sense organs, homeostasis, tropic response, drugs, Medicinal drugs, misused drugs, reproduction, Asexual reproduction, Sexual reproduction, human sex hormones, Sexually transmitted infections, inheritance, chromosomes, genes, mitosis, meiosis, Monohybrid inheritance, Variation, adaptive features, selection, Energy flow, food chains, food web, Nutrient cycles, population size, Biotechnology, genetic engineering, food supply, Habitat destruction, pollution, conservation