Neco Model Questions Vol1 2020 Agricultural Science Question 1

Practice essay / theory question 1 from the 2020 Neco Model Questions Vol1 Agricultural Science examination. This question covers Sustainable agriculture, Crop rotation, Agroforestry, Integrated pest management .

Neco Model Questions Vol1 2020 Agricultural Science Essay / Theory
Topics: Sustainable agriculture Crop rotation Agroforestry Integrated pest management
Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • essay

A farmer wishes to improve the sustainability of his 5‑hectare mixed‑crop farm located in the Sudan savanna zone of Nigeria. The farm currently practices continuous cultivation of maize with occasional fallow periods of two months. The farmer is considering adopting an integrated crop‑livestock system that incorporates legumes, trees and controlled grazing.

Question Parts

( a )
Explain how rotating maize with a leguminous crop such as cowpea can enhance soil fertility. Include the biological processes involved.
( b )
Discuss two ecological advantages of planting nitrogen‑fixing trees on the farm margins.
( c )
Identify three potential pest‑management benefits that arise from integrating livestock grazing into the cropping system.

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About This Question

This is Neco Model Questions Vol1 2020 Agricultural Science Question 1. It is one of the essay questions from the 2020 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Sustainable agriculture, Crop rotation, Agroforestry, Integrated pest management .

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