Neco 2025 Agricultural Science Question 44

Practice objective / multiple choice question 44 from the 2025 Neco Agricultural Science examination.

Neco 2025 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 44 NECO • 2025 • AGRICULTURAL_SCIENCE • objective

A farmer practices a 4‑year rotation of maize and a legume. Maize requires 120 kg of nitrogen per hectare, while the legume fixes 60 kg N ha⁻¹ and leaves a residual 20 kg N ha⁻¹ for the following crop. The soil initially contains 30 kg N ha⁻¹. Assuming the same proportion \(p\) of the total land is planted to legume each year, determine the smallest value of \(p\) (as a decimal) that will satisfy the nitrogen requirement of maize each year without applying additional fertilizer.

Answer Options

A. 0.78 (approximately)
B. 0.92 (approximately)
C. 0.65 (approximately)
Correct Answer D. 0.86 (approximately)
Correct Answer
D
Correct Option:
0.86 (approximately)

About This Question

This is Neco 2025 Agricultural Science Question 44. It is one of the objective questions from the 2025 Neco Agricultural Science examination.

Difficulty level: Medium .

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