Ammonium Sulfate ((NH₄)₂SO₄) – 21% N + 24% S

Dual-Purpose Nitrogen & Sulfur Fertilizer for Alkaline Soils

Product Overview:
Our premium ammonium sulfate fertilizer provides both nitrogen (21%) and sulfur (24%) in readily available forms. The ammonium nitrogen resists leaching, making it ideal for sandy soils, while the sulfate sulfur corrects deficiencies in high-demand crops.

Key Features & Benefits:
Acidifying Effect – Lowers soil pH in alkaline/sodic soils (0.6 pH unit reduction per 1000 kg)
Leach-Resistant N – Ammonium form binds to soil colloids
High-Sulfur Formula – Meets the increased S requirements of oilseeds and cereals

Technical Specifications:

• Chemical Formula: (NH₄)₂SO₄

• Nitrogen Content: 21% (Ammoniacal form)

• Sulfur Content: 24% (Sulfate form)

• Salinity Index: 69 (Relative to NaNO₃=100)

• Solubility: 750 g/L at 20°C

Recommended Usage:

• Oilseeds: 200-250 kg/ha basal application

• Tea/Coffee: 100-150 kg/ha every 8 weeks

• Corrective Application: 300-400 kg/ha for sodic soil reclamation

Special Notes:
• Preferred N source for rice under flooded conditions
• Excellent compatibility with phosphate fertilizers