Question 17
SoilWhich of the following is the effect of continuous tillage on an ecological system?
- A.Addition of more humus to the soil
- B.Decrease in productivity
- C.Increase in yield
- D.Improved fertility
- E.Prevention of erosion
Show the answer and explanation
Answer: B (Decrease in productivity)
Explanation
Continuous tillage breaks down soil structure and humus and encourages erosion, so productivity falls.