Which 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.