Q. What is the highest NPK ratio in India?
Answer: 61:19:1
Notes: The excessive use of fertilizer increases the NPK ratio of the soil. In states like Punjab, the ratio of NPK usage is 61:19:1 against ideal 4:2:1.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 28 in General Studies Mock Test - 63 in above course in App.