WAEC Agricultural Science 2024 Objective — Question 10

Question 10 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2024 Objective paper, with the correct answer and a full explanation.

10. The ash produced after burning crop residues would A.

A. decrease soil acidity.Correct
B. increase soil acidity.
C. decrease soil alkalinity.
D. render the pH unchanged.

Explanation

Ash generally contains basic compounds which can neutralize acids and decrease soil acidity.

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