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WAEC Agricultural Science 2018 Question 16

Question 16

Land Preparation and Cultural Practices

A beneficial effect of bush burning on the soil is the

  1. A.reduction of soil microbial activities.
  2. B.exposure of soil surface to erosion.
  3. C.destruction of weed seeds.
  4. D.destruction of soil organic matter.
Show the answer and explanation

Answer: C (destruction of weed seeds.)

Explanation

Fire kills weed seeds; the other effects are harmful.