Which of the following statement about crop rotation is not correct?

A. it involves alternating legumes with non-legumes
B. the use of legumes in rotation helps to maintain soil fertility
C. it encourages the build-up of pests and diseases of crop
D. a good rotation system minimizes exposure of soil to erosion
E. it reduces infestation of land on rotation by weeds

Correct Answer:

Option C – it encourages the build-up of pests and diseases of crop