Topics: Operation research methods, allocation problem, quantitative techniques, feasible solution, feasible region, total inventory cost, total cost shortage, traffic density, north west corner method

Topics: Agricultural finance, agricultural credit, book value, salvage value, depreciation, net worth, simple interest, discount interest, interest rate, balance sheet, income payment, efficiency ratios, liquidity ratios, leverage ratios

Topics: Microeconomic analysis, demand curve, total effect, price effect, substitution effect, utility function, equimarginal utility principle, economy social welfare, equilibrium price, equilibrium quantity, perfect competitive market, explicit function, oligopoly, monopsony, elasticity price demand, income elasticity demand

Topics: Agricultural planning, traditional agriculture, developed agriculture, economic planning, economic growth, urbanization, agricultural growth, agricultural development

Topics: pathogen, fungi, fungal cell, bacteria, virus, plant pathology, disease control, disease management strategies, fungal growth, Cassava bacterial blight, mycoplasma

Topics: erosion control, crop rotation, organic matter maintenance, mulching systems, soil acidity, soil moisture tension, drainage, irrigation systems

Topics: Soil chemistry, soil fertility, minerals, diffusion, soil composition, soil acidity, alkalinity, root interception, plant nutrient leaching, pedologist, agronomist, soil engineer, ion exchange, cation exchange, nutrient mineralization, nutrient immobilization, ammonification, nitrification, denitrification, leaching, isomorphous substitution, plant nutrients, minor nutrient, major nutrient, fertilizer analysis, thermophilic composting, saline soil, vermicomposting, volatilization

Topics: Environmental degradation, Environmental reclamation, horticulture, bioremediation, pollution, salinity, scalding, soil erosion, water erosion, sheet erosion, gully erosion, rill erosion, landscaping

Topics: Fish systematic, fish taxonomy, fish identification keys, perca flavescens, African catfish, Clarias gariepinus

Topics: Limnology, lentic aquatic ecosystem, lotic aquatic ecosystem, lake morphology, lake morphometry, dimictic lakes, meromictic lakes, holomictic lakes, polymictic lakes