Topics: Irrigation, Drainage, Soil-water-plant-atmosphere relationship, Irrigation requirement, Consumptive water use, evapotranspiration, Irrigation scheduling, Irrigation resources, irrigation equipment maintenance, Irrigation systems, Irrigation techniques, soil reaction, soil erosion, soil drainage, Soil salinity, soil alkalinity, soil acidity

Topics: Drug Sources, Drug Benefit Assessment, Congeneric Drugs, Drug Administration, Oral Dosage Forms, dermatological agents, drug distribution, Drug Action, membrance permeation, drug transporters, drug elimination, drug metabolism, enteroheptaic circulation, presystemic elimination, pharmacokinetics, druig concentration, accumulation, dose-response relationship, drug-receptor interaction, agonists-antagonists, enantioselectivity, G-protein-couples receptors, plasma concentration, adverse drug effects, drug allergy, cutaenous reactions, pregnancy, lactation, drug-independent effects, cutaneous reaction, placebo theraphy, systems pharmacology, sympathetic system, cathecholamine actions, sympathomimetics, indirect sympathomimetics, Parasympathetic Nervous System, Parasympathetic Functions, Cholinergic Synapse, Parasympathomimetics, Parasympatholytics, biogenic agents, dopamine, histamine, serotonin, amino acids, vasodilators, organic nitrates, calcium antagonists, Renin-Angiotensin-Aldosterone System, ACE Inhibitors, smooth muscle, cardiac Drugs, Cardiac Glycosides, antiarrhythmic drugs, antianemic agents, anemias, iron compounds, antithrombotic agents, thrombosis therapy, Vitamin K, Heparin, fibrinolytics, platelet aggregation, plasma volume expanders, hyperlipoproteinemias, lipid-lowering agents, diuretics, water reabsorption, vasopressin, water and electrolyte disorders, Gastrointestinal Tract, Hyperacidity, antidiarrheal agents, motor system, muscle relaxants, nociceptors, pain, analgesics, eicosanoids, antipyretic analgesics, local anesthetics, opioids, General Anesthesia and General Anesthetic Drugs.lnhalational Anesthetics, Injectable Anesthetics, Anxiolytics, benzodiazepines, depressive illness, manic state, schizophrenia, endocrine system, hypothalamic hormone, hypophyseal hormone, thyroid hormone therapy, hyperthroidism, antithyroid drugs, glucocorticoid therapy, androgen, anabolic steroid, antiandrogen, follicular growth, ovulation, antibacterial drugs, antifungal drugs, antiviral drugs, antiparasitic drugs, tropical diseases, anticancer drugs, immune modulators

Topics: Agricultural Biochemistry, cell, cell structure, plasma membrane, cytoplasm, water solutions, carbohydrates, fatty acids, lipids, amino acids, proteins, enzymes, purines, pyrimidines, nucleic acids, vitamins, minerals, metabolism, glycolysis, tricarboxylic acid cycle, electron transport, oxidative phosphorylation, Fatty acid oxidation, lipid breakdown, pentose phosphate pathway, Fermentation pathways, photosynthesis, Gluconeogenesis, carbohydrate synthesis, amino acid synthesis, seeds, germination, reproductive growth, Plant nutrition, auxins, gibberellins, Cytokinins, Abscisic acid, Ethylene, Miscellaneous plant growth regulators, lactation, muscle, meat, cell walls, ribosomes, endoplasmic reticulum, mitochondria, water ionization, sugars, glucose, fructose, Polysaccharides, Triacylglycerols, acylglycerols, Glycerophospholipids, Glycosylglycerides, Sphingolipids, phenolics, peptide bonds, protein function, protein structure, Allosteric enzymes

Topics: Soil Management, Soil Erosion, water erosion, Soil Erodibility, water erosion effects, wind erosion, organic soils, soil organic carbon Sequestration, Regosol, problem soils, polluted soils, sandy soil, shallow soil, skeletal soil, Polluted Soil reclamation, Polluted Soils management, Polluted Soils bioremediation, soil nutrient dynamics, wetland soils, sheet erosion, rill erosion, gully erosion, stream banl erosion

Topics: Natural Environment, Animal Production, earth science, environment, geological activity, oceans, rivers, streams, lakes, ponds, climate change, atmosphere, atmospheric layers, global warming, climate, weather, life ecosystems, biomes, biogeochemical cycles, wilderness, Environmental degradation, population growth, agriculture, water management, greenhouse gas emission, Gas effect, emissions, pollution, air pollution, water pollution, land pollution, erosion, coastal erosion, glaciers, floods, freezing, thawing, wind erosion, gravitational erosion, exfoliation, soil structure, soil composition, vegetation cover, topography, agricultural practices, deforestation, urbanization, airborne dust pollution, desertification, Stratospheric Ozone, ozone hole, Antarctica Ozone Theory

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: scientific method, hypothesis, chemical industries, matter, atom, molecule, ion, neutral atom, atomicity, Dalton‘s atomic theory, atomic structure, atomic number, mass number, isotopy, valency, binary compounds, chemical combination, periodic table, electronic configuration, noble gases, Relative atomic mass, Relative molecular mass, chemical bonding, Electrovalent bonding, covalent bonding, Co-ordinate covalent bonding, Metallic bonding, hydrogen bonding, Vander Waal forces, Gas Laws, Boyle‘s law, Charles law, Avogadro's law, Separation Techniques, filtration, decantation, acid, bases, salts, alkali, water, carbon, diamond graphite, Chemical Reactions, Reactants, decomposition reaction, Acid-Base Reaction, Volumetric analysis, reagents, water, air, oxygen, halogen, nitrogen, Sulphur, Oxidation Reduction Reaction, redox reaction, oxidizing agent, reducing agent, ionic theory, Electrovalent Compounds, Covalent Compounds, Electrolysis, Electrochemical cells, organic chemistry, isomerism, alkanols, Quantitative Analysis, Qualitative Analysis, Acid-base titration, Redox titrations, Petroleum, metals, fats, oil, starch, Giant Molecules, sugar, protein, nuclear chemistry, Nuclear Reactions

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

Topics: Subsea Production, Offshore field development, Subsea Production Systems, Subsea Well Head, Subsea Christmas Tree, Subsea Manifold System, Subsea Jumper, Subsea Umbilical System, Flow Assurance, Deepwater Development, Shallow-Water Development, Stand-Alone Offshore Field Development, Subsea Tie-Back Development

Topics: water cycle, nitrogen cycle, food chain, food web, carbon cycle, energy, thermodynamics, ammonification, biomes, freshwater biome, aquatic biome