N/S ratio is wider in case of

Answer: Option A

Nitrogen and Sulphur are essential to plant nutrients and there is a strong relationship between S and N content in plants. The ratio of total N to total S and protein S determine the degree of availability of Sulphur in protein. Availability of proper nitrogen and Sulphur is important in the case of legumes, as it promotes nodulation in legumes. Therefore, the N/S ratio is wider in the case of legumes than in other crops.