Onion is a very important commercial vegetable crop in the kitchens of India. Sulphur is an important nutrient that affects the yield and quality of onion. Keeping this in view an experiment was conducted to study the effect of graded levels of sulphur on yield and quality of onion at Horticultural Research Farm of Institute of Agriculture, Visva-Bharati, Sriniketan, India. | Effect of graded levels of sulphur as magnesium sulphate on yield and quality of onion Allium cepa L. in red and lateritic soils of West Bengal India