Sulphur deficiency made worse by
- Acidic soils
- Light, sandy soils (leaching)
- Low organic matter
- Poorly aerated soils (waterlogged soils
- ) Areas with low industrial emissions
Sulphur is important for
- Improved crop development
Symptoms
Symptoms begin at young leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow.
Reasons
Sulphur deficiency
Sulfur deficient leaf blades contain less than 100 ppm sulfate, dry basis.
Yellowing also appears with nitrogen and molybdenum deficiencies.
Asia and Oceania
