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WAEC Agricultural Science 2013 Question 11

Question 11

Soil Fertility and Plant Nutrition

When compost is added to sandy soil, it

  1. A.reduces the activities of living organisms.
  2. B.increases the porosity of the soil.
  3. C.increases water-holding capacity of the soil.
  4. D.decreases the soil acidity.
Show the answer and explanation

Answer: C (increases water-holding capacity of the soil.)

Explanation

Humus holds water like a sponge, which sandy soils lack.