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WAEC Agricultural Science 1991 (August) Question 9

Question 9

Soil Fertility and Plant Nutrition

Fertilizers that usually contain one nutrient which can be used directly by plants are commonly called

  1. A.organic fertilizers
  2. B.mixed fertilizers
  3. C.inorganic fertilizers
  4. D.compound fertilizers
  5. E.straight fertilizers.
Show the answer and explanation

Answer: E (straight fertilizers.)

Explanation

Straight fertilizers supply a single nutrient, e.g. urea for nitrogen.