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WAEC Agricultural Science 2005 Question 16

Question 16

Soil Erosion and Conservation

One importance of cover crops is that they

  1. A.provide shade for crops
  2. B.protect crops from pests
  3. C.increase soil acidity
  4. D.suppress weed growth.
Show the answer and explanation

Answer: D (suppress weed growth.)

Explanation

Cover crops spread over the ground and smother weeds.