Ammonium Sulfate with Urea Blend 21-0-0
This granular fertilizer is a blend of ammonium sulfate and urea, providing 21% nitrogen. It is classified under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, being a mixture of two goods listed in note 2(a) of Chapter 31 (ammonium sulfate and urea) that is not specified elsewhere in heading 31.02. It is suitable for crops requiring both nitrogen and sulfur.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is primarily ammonium sulfate with only incidental urea
Ammonium sulfate in its pure form is classified under 3102.21.00.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the exact ratio of ammonium sulfate to urea, as this may affect classification
• Provide a product data sheet showing the nitrogen and sulfur content to customs
• Check if the blend requires a fertilizer registration number from the CFIA
Related Products under Tariff item 3102.90.00
Ammoniacal Urea Solution 28% Nitrogen
This is a liquid nitrogen fertilizer consisting of urea dissolved in an ammoniacal solution, with a nitrogen content of 28%. It falls under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, specifically a liquid form not covered by the more specific subheadings of heading 31.02. The product is commonly used in fertigation systems for orchards and other crops.
Ammonium Chloride Chalk Fertilizer Mix
This product is a mixture of ammonium chloride with chalk or gypsum, used as a nitrogen fertilizer and soil amendment. It qualifies under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, as it is a mixture of a nitrogenous compound with inorganic non-fertilizing substances, per note 2(c) of Chapter 31. It is applied to correct sodic soils and provide nitrogen to field crops.
Calcium Nitrate Ammonium Nitrate Mixture
This is a double salt fertilizer combining calcium nitrate and ammonium nitrate, offering high solubility for efficient nutrient uptake. It falls under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, as it is a double salt or mixture described in note 2(a)(v) of Chapter 31 and not specified elsewhere in heading 31.02. It is used in hydroponics and greenhouse production.
Gypsum-Amended Ammonium Nitrate
This product consists of ammonium nitrate mixed with gypsum, added for dust control and to supply calcium. It is classified under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, being a mixture of ammonium nitrate with an inorganic non-fertilizing substance per note 2(c) of Chapter 31. It is used on alkaline soils to improve nitrogen availability.
Multi-Nitrogen Starter Fertilizer 20-5-10
This liquid starter fertilizer contains ammonium nitrate, urea, and minor amounts of phosphate and potash, with nitrogen as the dominant nutrient. It is classified under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, as it is a mixture of nitrogenous compounds not specified elsewhere in heading 31.02. It is applied at planting for row crops to provide an initial nutrient boost.
Sodium Nitrate Urea Blend 26-0-0
This blend mixes sodium nitrate (Chilean nitrate) with urea to provide a balanced nitrogen release profile. It falls under tariff item 3102.90.00 as an 'other' nitrogenous fertilizer, being a mixture of goods listed in note 2(a)(i) and (viii) of Chapter 31 that is not specified elsewhere in heading 31.02. It is approved for certain organic farming systems.