Edaphic factors: soil pH, soil texture, soil structure, soil type etc. Rock formation Types of rock: igneous; Assessment would cover sedimentary; identification, description and metamorphic. examples of rock types. Processes of rock formation. Assessment would cover how igneous, sedimentary and metamorphic rocks are formed. Soil formation and profile development Factors of soil formation: the parent rock, organisms, climate, topography and time. The role played by each factor in Processes of soil formation: soil formation would be assessed. physical weathering; chemical weathering. Soil profile development. The meaning, importance, identification and description of each horizon of the soil profile composition and properties of soil be assessed. Types of soil. Chemical and biological composition of soil: Assessment would cover types of soil macro and micro nutrients; soil and their separation into sand, soil silt and clay fractions, water soil macro-organisms; holding capacity, porosity, soil microbes; capillarity, consistency etc. soil air. Soil pH. Determination of soil pH, causes Physical properties of soil: and correction of soil soil texture; acidity/alkalinity would be soil structure; assessed. CONTENTS NOTES nutrients and nutrient cycle and micro nutrients; their functions and Macro-nutrients such as deficiency symptoms in crops. N, P, K, Ca, Mg, S and Factors affecting availability of nutrients in soil Micro–nutrients such as such as pH, excess of nutrients, leaching, Zn, Fe, Mo, Co, Bo, Cu crop removal, oxidation and burning. would be assessed.
Edaphic factors: soil pH, soil texture, soil structure, soil type etc. Rock formation Types of rock: igneous; sedimentary; metamorphic. Processes of rock formation. Soil formation and profile development Factors of soil formation: the parent rock, organisms, climate, topography and time. Processes of soil formation: physical weathering; chemical weathering. Soil profile development. composition and properties of soil Types of soil. Chemical and biological composition of soil: soil macro and micro nutrients; soil soil macro-organisms; soil microbes; soil air. Soil pH. Physical properties of soil: soil texture; soil structure; Assessment would cover identification, description and examples of rock types. Assessment would cover how igneous, sedimentary and metamorphic rocks are formed. The role played by each factor in soil formation would be assessed. The meaning, importance, identification and description of each horizon of the soil profile be assessed. Assessment would cover types of soil and their separation into sand, silt and clay fractions, water holding capacity, porosity, capillarity, consistency etc. Determination of soil pH, causes and correction of soil acidity/alkalinity would be assessed. CONTENTS NOTES nutrients and nutrient cycle and micro nutrients; their functions and deficiency symptoms in crops. Factors affecting availability of nutrients in soil such as pH, excess of nutrients, leaching, crop removal, oxidation and burning. Macro-nutrients such as N, P, K, Ca, Mg, S and Micro–nutrients such as Zn, Fe, Mo, Co, Bo, Cu would be assessed.