Question

Fertilizer have a formula written in a set of three figures 8-10-22. What does it stand for?

• A. % of Ca, Mg, P
• B. % of N, S, P
• C. % of N, P, K
• D. % of Fe, Mg, K

Answer 1

Answer: (C)

% of N, P, K

Nitrogen, phosphorous, potassium are the mineral elements required by plants in large quantity. They are frequently found deficient in the soil. The fertilizers, which make available these minerals to plants are called as NPK fertilizers and are denoted by the percentage content of nitrogen, phosphorous and potassium in them.