Waec Model Questions Vol1 2018 Agricultural Science Question 3

Practice essay / theory question 3 from the 2018 Waec Model Questions Vol1 Agricultural Science examination. This question covers Soil Fertility, Fertilizer Application .

Waec Model Questions Vol1 2018 Agricultural Science Essay / Theory

Topics: Soil Fertility Fertilizer Application

Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • AGRICULTURAL_SCIENCE • essay

A farmer intends to improve the fertility of his field by applying inorganic fertilizers.

Question Parts

( a )

Explain the functions of the three major plant nutrients: nitrogen (N), phosphorus (P), and potassium (K).

( b )

The farmer applies 150 kg N ha⁻¹, 80 kg P₂O₅ ha⁻¹ and 60 kg K₂O ha⁻¹. Convert the amounts of P₂O₅ and K₂O to elemental phosphorus (P) and potassium (K) using the factors P = 0.44 P₂O₅ and K = 0.83 K₂O, and state the total kilograms of N, P and K supplied per hectare.

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About This Question

This is Waec Model Questions Vol1 2018 Agricultural Science Question 3. It is one of the essay questions from the 2018 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Soil Fertility, Fertilizer Application .

View More Waec Model Questions Vol1 2018 Agricultural Science Questions More Waec Model Questions Vol1 Practice Questions Back to Questions

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