Neco 2020 Geography Question 24

Practice objective / multiple choice question 24 from the 2020 Neco Geography examination.

Neco 2020 Geography Objective / Multiple Choice Medium Difficulty
Question 24 NECO • 2020 • GEOGRAPHY • objective

A soil sample has a pH of 5.5. Lime raises the pH by 0.5 units for every 2 tonnes per hectare applied. What amount of lime (in tonnes per hectare) is required to raise the pH to the lower limit of the optimal range for phosphorus availability (6.5)? After liming, will iron toxicity still be a concern (iron toxicity occurs below pH 5.0)?

Answer Options

A. 4 tonnes per hectare; Yes, iron toxicity will still be a concern.
B. 6 tonnes per hectare; No, iron toxicity will not be a concern.
C. 2 tonnes per hectare; No, iron toxicity will not be a concern.
Correct Answer D. 4 tonnes per hectare; No, iron toxicity will not be a concern.
Correct Answer
D
Correct Option:
4 tonnes per hectare; No, iron toxicity will not be a concern.

About This Question

This is Neco 2020 Geography Question 24. It is one of the objective questions from the 2020 Neco Geography examination.

Difficulty level: Medium .

View More Neco 2020 Geography 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