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

Topics: Modern Literary Arabic, Arabic Alphabet, vowels, Doubled consonants, Hamza, Madda, accent, punctuation, article, Gender, nominal sentences, singular personal pronouns, interrogative particles, Dual sound masculine plural, sound Feminine plural, dual personal pronouns, plural personal pronouns, broken plural, genitive, prepositions, adjectives, comparative, superlative, compound adjectives, pronominal suffixes, word order, adverbs, verbal sentences, demonstrative pronouns, demonstrative adjectives, relative pronouns, interrogative pronouns, verb derivatives, noun derivatives, subjunctive mood, Jussive mood, simple doubled verb, Hollow verbs, weak verbs, doubly weak verbs, derived verbs, verbal form, cardinal numbers, ordinal numbers

Topics: Nigerian Literature, Oral Literature, Myths, Legends, Folktales, Fables, Tongue Twisters, Riddles, Similitudes, Oral Poetry, Traditional Oral Poetry, Musical poetry, dirge, Invocative poetry, Didactic poetry, Narrative poetry, Ritual poetry, Casual poetry, Traditional Drama, Evolutionist School, Ancestor Worship, Masquerades, Story Telling, Carnival, Puppet Shows, Popular Theatre, Colonialism, Islamic Missionaries, Christian Missionaries, Colonial Education, Hausa Literature, Igbo Literature, Yoruba Literature, Nigerian Languages

Topics: Theatre Workshop, Theatre History, acting, art of improvisation, directing, playwriting, play analysis, play interpretation, voice production, speech production, play production, scene design, Stage Management, Stage Lighting, Costume, Make-Up, Italian Renaissance, French Neoclassicism, Romanticism, Elizabethan Theatre, Realism, Naturalism, Symbolism, Expressionism, playhouse, Classical Greek Playhouse, Roman Playhouse, Medieval Playhouse, Renaissance Playhouse, Modern Playhouse, Proscenium Theatre, Simultaneous Staging, Open Theatre, Acting Styles, classic acting, Romantic Style of Acting, Realistic Acting, Theatricalised Acting, Theatrical Improvisation, Theatre Director, Dramatic Action

Topics: Semantics, theories, of meaning, nature of the lexicon, Sentential Meaning aspects, pragmatics, logic, fallacies, Application of Semantics to Literary Communication, Transitional Semantics, Behavioral Semantics, Structural Semantics, Generative Semantics, synonym, antonym, hyponym, homonym, polysemy, Subcategorising English Words, Paraphrase, Ambiguity, Vagueness, Tautology, Presupposition, Entailment, Analyticity, Misinterpretation Fallacies, Misunderstanding of Language fallacies, Fallacies of Accident, Question Begging Fallacies, complex question, False Causal Relationship, irrelevant conclusion, Argumentative Leap, Simple Proposition, Conjunction, Disjunction

Topics: Acoustic Phonetics, Auditory Phonetics, sound sensations, sound propagation, acoustic filters, voicing, speech acoustic theory, voicing quanta, vocal tract filtering, Pendulums, Standing Waves, Vowel Formants, Digital Signal Processing, continuous signals, discrete signals, Analog-to-Digital Conversion, signal analysis methods, Peripheral Auditory System anatomy, loudness auditory sensation, auditory system frequency response, Auditory Representations, speech perception, Auditory Ability Shapes Speech Perception, Phonetic Knowledge Shapes Speech Perception, Linguistic Knowledge Shapes Speech Perception, speech Perceptual Similarity, speech analysis, vowels, vowel production tube models, vowels Perturbation Theory, vowel formants, acoustic vowel space, Cross-linguistic Vowel Perception, fricatives, turbulence, Fricative Auditory Spectra, fricative perception, vocal tract filter functions, affricates, stops, affricate, bandwidth, nasal stops, laterals, Nasalization, Nasal Consonant Perception

Topics: numbers, arithmetic, ratio, propotions, averages, indices, logarithms, surds, sets, venn diagrams, algebraic expressions, quadratic equations, simultaenous equations, graphs, rational expressions, inequalities, sequence, series, lines, triangles, polygons, circles, trigonometry, mensuration, bearings, latitude, longitude, constructin, loci, statistics, probability, Lamlad, SSCE, UTME

Topics: measurement, scalars, vectors, motion, equilibrium of forces, work, energy, power, simple machines, elasticity, hydrostatics, temperature, thermal expansion, heat, vapours, molecular theory, heat transfer, waves, sound, reflecton, refraction, light, electrostatics, current electricity, magnetism, electromagnetism, electrochemical effects, alternating currents, atomic physics, Lamlad, SSCE, UTME