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Unit 4: Soil Chemistry and Plant Nutrition | Chemistry (Form 4) | NECTA Form 1–4 (CSEE) | Estudy Zambia

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NECTA Form 1–4 (CSEE) · Form 4 · Chemistry (Form 4) · Notes · Unit 4: Soil Chemistry and Plant Nutrition
Unit 4: Soil Chemistry and Plant Nutrition

NECTA Form 1–4 (CSEE) · Form 4 · Chemistry (Form 4) · Notes · Unit 4: Soil Chemistry and Plant Nutrition

Unit 4: Soil Chemistry and Plant Nutrition

NECTA Form 4 Chemistry Unit 4: Soil formation and weathering, soil components and horizons (O, A, B, C, D), soil pH and acidity mechanisms, liming reactions with CaCO3 and CaO, primary macronutrients (N, P, K), secondary and micronutrients, deficiency chlorosis and necrosis, straight vs compound fertilizers (Urea, CAN, Superphosphates, NPK calculations), organic manures vs synthetic fertilizers, leaching and eutrophication, examiner traps, and NECTA exam questions with full mark schemes.

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