Question

To control weeds we can add
a) Potash
b) 2,4-D
c) urea
d) Ammonium Sulphate
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Answer 1

Explanation:

we can add ammonium sulphate

Answer 2

Answer: The answer will be 2,4-D or 2,4-Dichlorophenoxyacetic acid.                      Option (b).

That's all.