Answer
(e)
Work Step by Step
Monocropping (growing a single crop repeatedly) often depletes specific nutrients and attracts pests, so it generally requires:
I. Fertilization – Yes, to replace nutrients used by the single crop.
II. Irrigation – Not necessarily more than intercropping.
III. Pesticide application – Yes, because pests can build up on a single crop species.
The answer is (e).