Sulphur deficiency made worse by
- Acidic soils
 - Light, sandy soils (leaching)
 - Low organic matter
 - Poorly aerated soils (waterlogged soils
 - ) Areas with low industrial emissions
 
Sulfur is important for
- Requirement of steady supply in relatively high quantities
 - Important for head development and stress tolerance
 - Major role in crop quality
 - Better inner quality determinants and improved storage quality