Q.

Which one of the following is a mixed fertilizer?

A. Urea
B. CAN
C. Ammonium sulphate
D. NPK
Answer» D. NPK
Explanation: A mixed fertilizer is a mixture of two or more straight fertilizers. A mixture of Nitrogen (N), Phosphorus (P) and Potassium (K) or mostly known as NPK, three elements that are critical to plant survival and growth are added to the mixed fertilizer.
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