Neco Model Questions Vol1 2017 Agricultural Science Question 1

Practice essay / theory question 1 from the 2017 Neco Model Questions Vol1 Agricultural Science examination. This question covers Biodiversity, Soil Fertility, Pest Regulation, Mixed Cropping .

Neco Model Questions Vol1 2017 Agricultural Science Essay / Theory

Topics: Biodiversity Soil Fertility Pest Regulation Mixed Cropping

Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2017 • AGRICULTURAL_SCIENCE • essay

A farmer practices mixed cropping of maize and cowpea on a 2 ha field that experiences a dry season followed by a rainy season. Discuss the role of biodiversity in maintaining soil fertility and pest regulation in this system.

Question Parts

( a )

Explain how crop diversity influences nutrient cycling in the mixed‑cropping system.

( b )

Discuss how the presence of two crop species can affect pest populations in the field.

( c )

State why maintaining a field margin with native grasses is important for the ecological balance of the farm.

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About This Question

This is Neco Model Questions Vol1 2017 Agricultural Science Question 1. It is one of the essay questions from the 2017 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Biodiversity, Soil Fertility, Pest Regulation, Mixed Cropping .

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