Topics: Farm mechanization, Agricultural mechanization, inclined plane, pulley, screw, wedge, Workshop Tools, internal combustion engine, Four-stroke Cycle Engine, farm machinery, processing machines

Topics: Agro Climatology, Biogeography, Atmospheric heating, Atmospheric Moisture, heat transfers, water transfers, planetary scale, pressure systems, wind systems, condensation, Precipitation Processes, precipitation variation, Tropical Climate, latitude, altitude

Topics: Non-Ruminant Animal Production, poultry management, Poultry Production Systems, poultry feeding, incubation, hatcher practices, poultry disease, Poultry Products, Marketing, Rabbit Management, Rabbit Reproduction, Feeding Rabbit, Rabbit Housing, Rabbit Health, Pig Management, Pig Production Systems, feeding pigs, pig feed resources, growing pigs, finishing pigs, swine disease, swine processing, swine marketing

Topics: Forage, Fodder Crop Production, Native Pastures, Improved Pastures, Pasture Establishment, Pasture Harvesting, pasture Processing Methods, Fertilizer Application, Pasture Defoliation, Forage Conservation Techniques, weed control, grazing management system, grass morphology, legume morphology, shrub morphology

Topics: Soil Genesis, soil Classification, soil composition, soil morphology, soil-forming factors, soil materials, weathering, soil-forming processes, soil classification systems, soil taxonomy, alfisols, andisols, aridisols, entisols, galisols, histosols, organic soils, Inceptisols, Embryonic Soils, Mollisols, Oxisols, Low Activity Soils, Spodosols, Ultisols, Low Base Status Soils, Vertisols, Shrinking Dark Clay Soils, Swelling Dark Clay Soils

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: Watershed Hydrology, Watershed Characteristics, Watershed Classification, Watershed Condition, Watershed Problems, hydrology, hydrological processes, surface water, ground water, water pollution, erosion, hydrographs, Watershed Management, Integrated Watershed Management

Topics: Social Relationship, Behavioural Change, group dynamics, group participation, agricultural change, communication process, agricultural extension communication

Topics: Workshop practice, metal bench work production, carpentry bench work, Mortise-Joint construction, welding, machine tool process, shaping

Topics: Diffusion, Innovations Adoption, innovation model, innovation decision process, Opinion leadership, change agents