passwella.
Menu

WAEC Agricultural Science 2006 Question 14

Question 14

Soil Properties

Although clayey soils are rich in nutrients, they are not good for most agricultural crop production because they

  1. A.do not release their nutrients
  2. B.are too compact and poorly aerated
  3. C.lose their nutrients too readily after rains
  4. D.contain too much iron, aluminium and boron.
Show the answer and explanation

Answer: B (are too compact and poorly aerated)

Explanation

Clay is heavy, poorly drained and lacks air for roots.