The number 32 in 12-32-16 represents

A. Granull size

B. P₂O₅ content

C. Licence number

D. All of these

Answer: Option B

Solution(By Examveda Team)

The number 32 in 12-32-16 represents P₂O₅ content.
Fertilizer grade is an expression referring to the legal guarantee of the available plant nutrients expressed as a percentage by weight in a fertilizer.
12-32-16 grade of NPK complex fertilizer indicates the presence of 12% nitrogen (N), 32% phosphorous (P₂O₅) and 16% potash (K₂O).