Topics: Arable Crop Production, maize, rice, floating rice, upland rice, swamp rice, pests, land leveling, nursery, borer, Nymphula depuntails, Guinea corn, grain legumes, root crops, tuber crops, cassava, yam, sweet potato, ginger

Topics: early modern Europe, European economic expansion, Renaissance society, humanist culture

Topics: Fuel metabolism, Nutrition, Organic Chemistry, Acid–Base Chemistry, Amino Acids, Protein Structure and Function, Enzyme Kinetics, Gene Expression, Synthesis of Proteins, Regulation of Gene Expression, Cell Biology, Signal Transduction, Molecular Biology of Cancer, Generation of ATP from Metabolic Fuels, Oxygen Toxicity, Carbohydrate Metabolism, Lipid Metabolism, Ethanol Metabolism, Nitrogen Metabolism–Amino Acids, Purines, Pyrimidines, Products Derived from Amino Acids, Endocrinology, Genetics

Topics: Soil Classification, soil research, Brazilian Soil Classification System, New Zealand Soil Classification, soil taxonomy, soil survey

Topics: Public Relations Models, race model, research, Transfer Process Model, Two-Way Symmetric Model, RICEE Model, IPCM Model, PPCRD Model

Topics: Languages, regular expression, text searching, grammars, automata, languages, Chomsky normal form, finite automata, deterministic finite automata, Myhill-Nerode theorem, homky, undecidability, Rice's theorem, Mu-recursive functions, numeric computation, incomputable functions, linear-bounded automata, computational complexity, linear speedup, Hamiltonian circuit problem, polynomial-time reduction, satisfiability problem, complexity class relations, optimization problems, approximation algorithms, approximation schemes, space complexity, deterministic parsing

Topics: Plant Genetics, plant Breeding, population genetics, quantitative genetics, reproductive systems, allogamy, hybridization, clonal propagation, germplasm, Plant domestication, Plant genetic resources, morphological traits, Breeding self-pollinated species, Breeding cross-pollinated species, Breeding hybrid cultivars, Breeding clonally propagated species, molecular breeding, molecular markers, genes mapping, Molecular genetic modifications, genome-wide genetics, Seed certification, commercial seed release, International plant breeding efforts, Breeding selected crops, breeding wheat, breeding corn, breeding rice, breeding sorghum, breeding, soybean, breeding peanut, breeding potato, breeding cotton, breeding tomato, breeding cucumber, breeding roses

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