Neco 2021 Agricultural Science Question 7

Practice essay / theory question 7 from the 2021 Neco Agricultural Science examination. This question covers Crop Pests .

Neco 2021 Agricultural Science Essay / Theory

Topic: Crop Pests

Question 7 NECO • 2021 • AGRICULTURAL_SCIENCE • essay

A farmer in the Sudan savanna zone of Nigeria cultivates maize on a 2.5‑hectare field.

Question Parts

( a )

Identify the most economically important insect pest of maize in this region and describe its complete life cycle, highlighting the stage that causes the greatest damage.

( b )

The recommended spray rate for the insecticide lambda‑cyhalothrin is 0.025 g of active ingredient per litre of water, and the recommended spray volume is 200 L per hectare. Calculate the total amount of active ingredient (in grams) the farmer must purchase for the whole 2.5‑hectare field.

( c )

Discuss an integrated pest management (IPM) programme for this pest, including at least three control tactics and the scientific rationale for each.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Neco 2021 Agricultural Science Question 7. It is one of the essay questions from the 2021 Neco Agricultural Science examination.

The question covers Crop Pests .

View More Neco 2021 Agricultural Science Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support