Question 28
Conservation of Natural ResourcesWhich of the following statements is not correct about the ecological effects of agricultural activities?
- A.The use of herbicides and pesticides in farms can cause pollution
- B.Bush-burning encourages desertification
- C.Excessive use of fertilizers in farms may have harmful effects
- D.Tillage of tropical soils with ploughs and harrows may encourage erosion
- E.Monocropping is one of the cultural methods of controlling pests
Show the answer and explanation
Answer: E (Monocropping is one of the cultural methods of controlling pests)
Explanation
Growing one crop over and over builds up its pests; crop rotation, not monocropping, is the cultural control method.