Gce Model Questions Vol1 2023 Agricultural Science Question 5

Practice essay / theory question 5 from the 2023 Gce Model Questions Vol1 Agricultural Science examination. This question covers Crop Production, Plant Population, Fertilizer Management, Crop Rotation .

Gce Model Questions Vol1 2023 Agricultural Science Essay / Theory
Topics: Crop Production Plant Population Fertilizer Management Crop Rotation
Question 5 GCE_MODEL_QUESTIONS_VOL1 • 2023 • AGRICULTURAL_SCIENCE • essay

A farmer intends to increase the yield of maize on a 2‑hectare field by improving plant population, applying nitrogen fertilizer and practising crop rotation with a legume.

Question Parts

( a )
The recommended spacing for maize is 75 cm between rows and 25 cm between plants within a row. Calculate the optimum plant population per hectare and the total number of plants required for the whole 2‑ha field.
( b )
A soil test shows that the field currently contains 20 kg of available nitrogen per hectare. The target nitrogen requirement for the intended maize crop is 120 kg N ha⁻¹. The farmer plans to use urea (46 % N by weight). Determine the amount of urea (in kilograms) that must be applied per hectare and for the whole 2‑ha field.
( c )
Explain three agronomic advantages of rotating maize with a leguminous crop such as cowpea, focusing on soil fertility, pest/disease management and farm income.

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About This Question

This is Gce Model Questions Vol1 2023 Agricultural Science Question 5. It is one of the essay questions from the 2023 Gce Model Questions Vol1 Agricultural Science examination.

The question covers Crop Production, Plant Population, Fertilizer Management, Crop Rotation .

View More Gce Model Questions Vol1 2023 Agricultural Science Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

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