Neco Model Questions Vol1 2024 Agricultural Science Question 5

Practice essay / theory question 5 from the 2024 Neco Model Questions Vol1 Agricultural Science examination. This question covers soil_fertility, fertilizer_use, crop_rotation .

Neco Model Questions Vol1 2024 Agricultural Science Essay / Theory
Topics: soil_fertility fertilizer_use crop_rotation
Question 5 NECO_MODEL_QUESTIONS_VOL1 • 2024 • AGRICULTURAL_SCIENCE • essay

A farmer intends to cultivate maize on a 1‑hectare field and is considering three fertilizer options. The details are: - **Fertilizer A (Urea)**: Cost ₦30 per kg, recommended application rate 100 kg ha⁻¹, average yield 5.2 t ha⁻¹. - **Fertilizer B (NPK 15‑15‑15)**: Cost ₦45 per kg, recommended application rate 80 kg ha⁻¹, average yield 5.8 t ha⁻¹. - **Fertilizer C (Organic compost)**: Cost ₦20 per kg, recommended application rate 150 kg ha⁻¹, average yield 4.6 t ha⁻¹. The current market price of maize is ₦30 per kg. Answer the following:

Question Parts

( a )
Calculate the net monetary return per hectare for each fertilizer option (revenue minus fertilizer cost).
( b )
Based on the net returns obtained, recommend the most economical fertilizer and justify your choice.
( c )
Discuss two agronomic advantages of incorporating a crop‑rotation system that includes a legume (e.g., cowpea) with the maize crop.

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About This Question

This is Neco Model Questions Vol1 2024 Agricultural Science Question 5. It is one of the essay questions from the 2024 Neco Model Questions Vol1 Agricultural Science examination.

The question covers soil_fertility, fertilizer_use, crop_rotation .

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