Often called the "fourth major nutrient", Sulphur is a building block of chlorophyll and a necessary ingredient for the formation of proteins. It is one of 16 basic elements needed to support plant life. Sulphur is recognized as an effective fungicide / pesticide and has been for the last 170 years.
Soils may be conditioned or "fluffed" through the use of sulphur. This chemical reaction that occurs within the soil profile will loosen up otherwise tight soils and increase water penetration.
Thus, applying one product to your crops would condition the soil, control pH, increase nitrogen utility, control fungus and control mites.
The use of sulphur on crops can provide an economical and natural control of
Powdery mildew
Rust
Brown rot
Cotton root rot
Black spot
leaf spot
Scab
Mites
In addition to these basic uses, there are other beneficial side effects of sulphur application:
Powdery mildew 
Increases crude protein of forages