Which is the most ecologically viable method of insect pest control?
-
A.
Draining all stagnant pools of water -
B.
Eliminating one of the development stages of the insect -
C.
Employing a lot of labourers to physically handpick the insect pests -
D.
Erecting physical barriers against insect pests -
E.
Using stronger insecticides which can kill a greater number of insect.