Waec Model Questions Vol1 2024 Agricultural Science Question 5

Practice essay / theory question 5 from the 2024 Waec Model Questions Vol1 Agricultural Science examination. This question covers Crop Production, Seed rate and plant population, Fertilizer requirement, Yield improvement practices .

Waec Model Questions Vol1 2024 Agricultural Science Essay / Theory
Topics: Crop Production Seed rate and plant population Fertilizer requirement Yield improvement practices
Question 5 WAEC_MODEL_QUESTIONS_VOL1 • 2024 • AGRICULTURAL_SCIENCE • essay

A farmer in the savanna zone intends to grow maize on a 2.5 ha field. The farmer plans to use a seed rate of 25 kg ha⁻¹, adopt a row spacing of 0.75 m and an intra‑row spacing of 0.25 m. The target yield is 5.5 t ha⁻¹. The recommended nitrogen (N) fertilizer recommendation is 20 kg N per tonne of maize grain expected.

Question Parts

( a )
Calculate the total quantity of seed required for the whole field and the plant population per hectare (plants m⁻²) based on the given row and intra‑row spacings.
( b )
Determine the total amount of nitrogen fertilizer needed for the whole field to achieve the target yield.
( c )
Discuss two agronomic practices, other than fertilizer application, that the farmer could adopt to improve maize yield under the given conditions. Explain briefly how each practice contributes to higher yield.

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About This Question

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

The question covers Crop Production, Seed rate and plant population, Fertilizer requirement, Yield improvement practices .

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