Bentonite Sulphur is straight Sulphatic fertilizer containing Sulphur and Bentonite clay. The Sulphur present is 90% and is the highest among other category of Sulphated fertilizers. This makes Bentonite Sulphur more effective in terms of supplying Sulphur to Crops. It is used as a secondary nutrient and also to correct alkaline soil problems. Sulphur is one of the 17 essential plant nutrients and it helps in the formation of essential enzymes and plant proteins.