The Sulfur Cycle

1
The Sulfur Cycle
Component
Input to soil
Loss from soil
Atmospheric sulfur
Volatilization
Atmospheric deposition
Crop harvest
SO2 gas
Mineral fertilizers
Plant residues
Animal manures and biosolids
Elemental sulfur
Runoff and erosion
Absorbed or mineral sulfur
Plant uptake
Oxidation
Organic sulfur
Reduced sulfur
Bacterial oxidation
Immobilization
Sulfate Sulfur (SO4)
Bacterial reduction
Mineralization
-
Leaching