Ammonium Sulfate
Type: Synthetic Release: Fast NPK: 21-0-0 (+S)
Nitrogen source that also supplies sulfur and slightly acidifies soils.
🎯 What It's Best For
- alkaline soils needing N
- leafy crops
🚫 Not Ideal For
- already acidic soils without buffering
🧪 Application & Dosage
Method: Broadcast lightly and water in.
Rate: 10–20 g per m²
Timing: During vegetative growth
Frequency: Every 4–8 weeks if needed
⚖️ Soil & pH
Soil pH Preference: neutral to alkaline
⚠️ Cautions
May lower pH over time; monitor soil acidity.
🛒 Where to Buy
- plant nurseries
- agriculture supply shops
🏷️ Tags
nitrogensulfur
Note
Values are typical approximations. Always follow your specific product label and adjust for pot size, plant type, and local weather. In containers, flush with plain water occasionally to prevent salt buildup.