Ammonium Sulfate (21-0-0-24S) delivers readily available nitrogen and essential sulfur in a stable, soluble form. This dual-nutrient fertilizer is specifically engineered to address both nitrogen requirements and sulfur deficiencies in modern cropping systems. ISO 9001 certified for guaranteed quality and performance.

I. Scientific Benefits

• Dual Nutrient Formula
  Supplies 21% nitrogen in ammonium form and 24% sulfur as sulfate for complete plant nutrition
• Rapid Plant Availability
  Both nutrients are immediately available for plant uptake and utilization
• Soil pH Management
  Helps correct alkaline soil conditions through physiological acidity
• Quality Enhancement
  Significantly improves protein content in grains and oil quality in oilseeds

II. Application Guidelines
Field Crops

• 300-500 kg/ha as basal application for cereals and oilseeds
• 200-300 kg/ha as top dressing during active growth stages
  Vegetable Production
• 150-250 kg/ha for field and greenhouse vegetables
• Split applications recommended for continuous nutrient supply
  Special Situations
• 400-600 kg/ha for severely sulfur-deficient soils
• Ideal for alkaline soil remediation and sulfur-loving crops

III. Technical Specifications

• Nutrient Content
  Nitrogen: 21% minimum, Sulfur: 24% minimum
• Physical Properties
  Crystal size: 0.5-2.0 mm, Bulk density: 1000-1100 kg/m³
  Solubility: 750 g/L at 20°C
• Quality Standards
  Heavy metals: Cadmium ≤1 ppm, Lead ≤5 ppm
  Moisture content: ≤0.5%, Free acidity: ≤0.05%

IV. Performance Evidence

• Yield Improvement
  25-40% yield increase in sulfur-responsive crops
• Quality Enhancement
  30% higher protein content in wheat and 25% better oil quality in canola
• Economic Returns
  High benefit-cost ratio demonstrated across multiple crop varieties
• Soil Health
  Maintains optimal sulfur levels and improves overall soil fertility

V. Competitive Advantages

• Proven Reliability
  Decades of successful use in global agriculture
• Crop Safety
  Low salt index minimizes risk of plant damage
• Storage Stability
  Excellent keeping qualities with minimal caking tendency
• Application Flexibility
  Suitable for broadcasting, banding, and fertigation systems

Summary
Ammonium Sulfate stands as a time-tested solution for dual nutrient fertilization, offering unique advantages in nitrogen and sulfur nutrition. Its immediate nutrient availability combined with soil amendment properties makes it particularly valuable in alkaline and sulfur-deficient conditions. The product’s proven track record in enhancing both crop yield and quality, coupled with its economic efficiency and application versatility, establishes it as an essential component in modern fertilizer programs. For crops requiring balanced nitrogen and sulfur nutrition, Ammonium Sulfate delivers consistent results and excellent return on investment.

Ordering Information
Contact our technical team for customized recommendations based on your specific crop and soil requirements.