Which one is not nitrogen fertilizer?

A. Ammonium sulphate
B. CAN
C. Urea
D. Gypsum

Anurag Mishra Professor Asked on 29th February 2016 in General Knowledge.
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1 Answer(s)

Answer: (D) Gypsum 

Anurag Mishra Professor Answered on 1st March 2016.
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