WAEC Biology 2022 Objective — Question 29
Question 29 of 50 from the West African Examinations Council (WAEC) Biology 2022 Objective paper, with the correct answer and a full explanation.
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Which of the following practices will not maintain soil fertility?
- A. Preventing soil erosion
- B. Bush fallowing
- C. Leaving the land bare for over cropsCorrect
- D. Planting cover crops
Explanation
Leaving land bare exposes soil to erosion and nutrient loss, and does not maintain soil fertility, unlike preventing erosion, bush fallowing, or planting cover crops.
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