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WAEC Agricultural Science 2004 Question 13

Question 13

Soil Erosion and Conservation

Leguminous cover crops do not

  1. A.bind the soil particles together through their roots
  2. B.increase the nitrogen content of soils
  3. C.aid in improving the soil organic matter content
  4. D.reduce the soil microbial population
Show the answer and explanation

Answer: D (reduce the soil microbial population)

Explanation

Cover crops feed and shelter soil microbes, increasing them.