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Hydroponics I. is useful in areas havi...

Hydroponics
I. is useful in areas having infertile and dry soils
II. Can regulate pH optimum for a particular crop.
III. Increases labour cost.
IV. Increases problem of weeding.

A

II and IV

B

I and II

C

I and III

D

All of the above

Text Solution

Verified by Experts

The correct Answer is:
B
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