Topics: Farm Management, managerial functions, Managerial performance, Good manager, Data gathering, record keeping, updating farm records, Registered Data, Continuous Non-registered Data, Asset valuation, asset depreciation, Individual Farming Unit, Rational Behaviour, Opportunity Cost, marginal cost, Marginal Benefit, supply, demand, Law of Diminishing Returns, Net worth statement, farm labour management, Crop Enterprise Management, Factors Affecting Crop Yields, labour profiles, feeding, labour efficiency, Livestock Enterprise Management, Farm Budgeting, Farm Budgeting techniques, gross margin analysis, gross margin, total cost, gross farm income, Crop Yield Index

Topics: Electronics, Power Electronics, Optoelectronics, Microwaves, Electromagnetics, Radar, semiconductors, diodes, semiconductor manufacturing, Microlithography, transistors, Junction Field-Effect Transistors, Bipolar Transistors, Metal-Oxide Semiconductor Field-Effect Transistor, Single Electron Transistors, integrated circuits, integrated circuit technology, Surface Mount Technology, amplifier, signal analysis, active filters, power electronics, Power Semiconductor Devices, power conversion, Lasers, Electromagnetic Fields, magnetism, magnetic fields, magnetic recording, wave propagation, space propagation, wave guides, antennas, Fresnel Zone Plate Antenna, Microwave Devices, Lightning, pulse radar, continuous radar, Electroacoustic Transducers, Ferroelectric Materials, Piezoelectric Materials, Electrostriction, hall effect, superconductivity, dielectric, insulators

Topics: Soil Fertility, Soil Productivity, Essential Soil Nutrient Elements, Soil Acidity, soil Basicity, Liming, Liming Materials, Soil Alkalinity, salinity, sodicity, soil fertility evaluation, Soil Fertility maintenance, Soil Fertility Management Practices, crop productivity, irrigation, soil tillage, soil organic matter, crop rotation, Continuous Cropping, animal manure, green manure, cover cropping

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: Plant Growth, plant Development, seed germination, Juvenility, Senescence, plant translocation, plant respiration, plant water stress, Plant Growth Stages-Induction, Sigmoid Growth Curve, Photosynthesis, Plant Growth, Growth Regulators, Auxins, Gibberellins, Cytokinins, Plant Growth Measurements, plant Growth Analysis, crop Growth Rate, Seed Dormancy, Sexual Reproduction-Seed Development, Vegetative Propagation, Flower Bud Initiation, Flower Bud Differentiation, plant death, Relative Growth Rate

Topics: Agriculture, Land use, land tenure system, crop production, crop plants classification, Pasture, Forage Crops, agriculture production soils, farm animals production, ruminants, cattle management system, farm animal production, pigs production, poultry production, poultry management, chicks management, broilers management, cockerels management, layers management, Agricultural Extension Services, forest production, wildlife production, fish production

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: Soil Fertility, Fertilizers, global population growth, food consumption, food production, agricultural land use, crop yields, nutrient use, Crop Yield Limiting Factors, buffering capacity, mineral solubility, soil acidity, soil alkalinity, Soil pH Buffering, Reducing Soil Acidity Effects, Calcareous Soils, Saline Soils, Sodic Soils, Saline-Sodic Soils, nitrogen, Biological Fixation, Phosphorus, Phosphorus cycle, soil Phosphorus forms, Phosphorus sources, Potassium cycle, soil Potassium forms, Potassium sources, Sulfur, Calcium, Magnesium, Micronutrients, iron, zinc, coper, Manganese, Boron, chloride, Molybdenum, Nickel, Beneficial Elements, soil fertility evaluation, plant nutrient-deficiency symptoms, plant analysis, greenhouse tests, soil testing, nutrient management, soil characteristics, nutrient placement, Nutrient Interactions, nutrient Economics, Agricultural Productivity, Environmental Quality

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: 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