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WAEC Agricultural Science 1995 Question 31

Question 31

Crop Pests

A major routine operation in cowpea production which normally starts from flowering stage is

  1. A.weekly spraying with insecticides
  2. B.folial application of liquid fertilizer
  3. C.application of herbicides
  4. D.routine application of NPK granulated fertilizers
  5. E.timely harvesting of pods.
Show the answer and explanation

Answer: A (weekly spraying with insecticides)

Explanation

Cowpea flowers and pods are attacked by many insects, so regular spraying starts at flowering.