Topics: Criminology, Security Studies, Climate of Nigeria, Drainage of Nigeria, Population Migration, Rural Settlements, Urban Settlements, mining, fishing, animal husbandry, food crop agriculture, export crop agriculture, irrigated agriculture, modern manufacturing, internal trade, rail transport, road transport

Topics: Genetics, breeding, Cell Organisation, cell division, heredity, inheritance, Breeding Self-Pollinated Crops, crop breeding methods, Breeding Cross-Pollinated Crops, Breeding Asexually-Pollinated Crops, Animal Breeding

Topics: Soil Conservation, Water Conservation, erosion, Soil Erosion and Civilization, Geologic Erosion, Sedimentation, Landscape Development, rock types, Sedimentary Landforms, Mass Movement Deposits, Glacial Landscapes, Water Erosion, erosion damage, Vegetation, Soil Properties, Soil Erodibility, pollution, Water-Erosion Control, Wind Erosion, wind erosion process, Windbreaks, Shelterbelts, Wind-Erosion Control, Predicting Soil Loss, Tolerable Soil Loss, Universal Soil Loss Equation, Computer-Based Soil Loss Prediction Models, Wind-Erosion Prediction Equation, Wind Erosion Prediction System, Soil Map Unit Interpretations, soil survey, Land Use Planning, managing land, cropping systems, Managing Monocultures, crop rotations, Multiple Cropping, Evaluating Cropping Systems, strip cropping, tillage, Conservation Tillage, deep tillage, Contour Cultivation, Emergency Wind-Erosion Control, Gully-Control Structures, road ditches, culverts, Earthen Dams, Streambank Protection, flood control, Wind Erosion-Control Structures, Pastureland Management, Rangeland Management, Forestland Management, water cycle, drought, Soil Drainage, wetlands, Irrigation, Irrigation Methods, Land Reclamation, Conservation Irrigation, soil pollution, pollutants, industrial wastes, agricultural wastes, aerosols, polluted soil, Hazardous Sites, Soil Remediation, Water Quality, water Pollution, Water acidification, Farm Service Agency

Topics: Genetic, hereditary, Gregor Mendel, Genetic terminology, Monohybrid crosses, patterns of inheritance, dihybrid crosses, test, cross, Mendelian Genetics, punnett square, Principle of Independent Assortment, incomplete dominance

Topics: Linear Regression Model, Econometrics, Least Squares Regression, Hypothesis Tests, Model Selection, Functional Form, Difference in Differences, Structural Change, Nonlinear Regression ­Models, Semiparametric Regression ­Models, Nonparametric Regression ­Models, Endogeneity, Instrumental Variable Estimation, Generalized Regression Model, Heteroscedasticity, Regression Equations, Estimation Frameworks, Estimation Methodology, Minimum Distance Estimation, Generalized Method of ­Moments, Maximum Likelihood Estimation, Simulation-Based Estimation, Inference, Random Parameter Models, Bayesian Estimation, Cross Sections, Panel Data, Microeconometrics, Binary Outcomes, Discrete Choices, Multinomial Choices, Event Counts, Limited Dependent Variables—Truncation, Censoring, Sample ­Selection, Time Series, Macroeconometrics, Serial Correlation, Nonstationary Data

Topics: Plant biotechnology, plant genomes, plant tissue culture, plant cell culture media, plant growth regulators, callus, cell-suspension cultures, protoplast, root cultures, shoot tip, meristerm culture, embryo culture, microspore culture, clean gene technology, gene manipulation, herbicide resistance, pest resistance, plant disease resistance, plant-pathogen interactions, natural disease resistance pathways, antimicrobial proteins, RNA viruses, abiotic stress, fruit ripening genetic manipulation, engineering plant protein composition, molecular farming, carbohydrate production, pharming, lipid metabolic engineering, medically related proteins, transgenic crops

Topics: plants, trachophytes, vascular, wort, fungi, lower plant, higher plant, biotechnology, crop production, animal production, agricultural microbiology, biological interactions, bio degradation

Topics: Plant Ecology, Physiological Plant Ecology, Microclimate, photosynthesis, plant pigments, germination, crop stands, Foliage Angle, Light distribution models, leaf canopy, Nitrogen Use Efficiency, light energy

Topics: economic systems, price determination, demand, supply, Market Equilibrium, price elasticity, diminishing returns, cost, revenue, profit, Perfectly Competitive Supply, monopoly, imperfect competition, Unemployment, Inflation, Gross Domestic Product, price index, business cycles, level of income, consumption, investment, Macro Equilibrium, government, Keynesian Cross, Fiscal Policy, money, Monetary Tools, Economic Policy

Topics: Macroptychaster sp, Homalozoa, echinozoa, blastozoa, crinozoa, asterozoa, Hymenaster pellucidus, Luidia sarsi, heliaster, labidiaster spp, crossaster papposus, solaster, asterias, pisaster