Ammonium Nitrate Calcium Carbonate Fertilizer Blend
Ammonium Nitrate Calcium Carbonate Fertilizer Blend is a straightforward mixture of ammonium nitrate and calcium carbonate, designed to supply nitrogen and calcium while adjusting soil pH. It is classified under tariff item 3102.40.00 because it consists of ammonium nitrate mixed with an inorganic non-fertilizing substance, as per Chapter 31 Note 2(c).
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 mixture includes other nitrogenous fertilizers beyond ammonium nitrate
Other nitrogenous fertilizers not specifically listed in heading 31.02 may fall under this residual item.
If the product is a compound fertilizer with added phosphorus or potassium
Fertilizers containing multiple essential elements may be classified under heading 31.05.
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 calcium carbonate is not a fertilizing substance on its own to ensure classification under 3102.40.00
• Check that the product is not packaged for retail sale in a way that triggers heading 31.05
• Prepare documentation showing the exact composition for CBSA verification
Related Products under Tariff item 3102.40.00
AgriNitro Dolomitic Lime Ammonium Nitrate Blend
AgriNitro Dolomitic Lime Ammonium Nitrate Blend is a fertilizer mixture combining ammonium nitrate with dolomitic lime, a calcium/magnesium carbonate. It provides nitrogen and micronutrients while adjusting soil pH. This product falls under tariff item 3102.40.00 as it is a mixture of ammonium nitrate with an inorganic non-fertilizing substance, as specified in Chapter 31 Note 2(c).
CropGuard Ammonium Nitrate Clay Fertilizer Blend
CropGuard Ammonium Nitrate Clay Fertilizer Blend mixes ammonium nitrate with inert clay such as kaolin or bentonite to control nutrient release. The clay acts as an inorganic non-fertilizing substance, making this product classifiable under tariff item 3102.40.00 per Chapter 31 Note 2(c).
FieldPrime Ammonium Nitrate Magnesite Mix
FieldPrime Ammonium Nitrate Magnesite Mix combines ammonium nitrate with magnesite, a magnesium carbonate mineral, to provide nitrogen and magnesium. The magnesite is an inorganic non-fertilizing substance, so this product falls under tariff item 3102.40.00 according to Chapter 31 Note 2(c).
GreenYield Ammonium Nitrate Limestone Powder Mix
GreenYield Ammonium Nitrate Limestone Powder Mix is a fertilizer combining ammonium nitrate with finely ground limestone for soil acid correction and nitrogen supply. The limestone is a calcium carbonate-based inorganic non-fertilizing substance, making this product classifiable under tariff item 3102.40.00 per Chapter 31 Note 2(c).
NitrogenBoost Ammonium Nitrate Gypsum Mix
NitrogenBoost Ammonium Nitrate Gypsum Mix blends ammonium nitrate with gypsum (calcium sulfate) to deliver nitrogen and improve soil structure. Gypsum is an inorganic non-fertilizing substance, so this product falls under tariff item 3102.40.00 as per Chapter 31 Note 2(c).
SoilBalans Ammonium Nitrate Chalk Fertilizer
SoilBalans Ammonium Nitrate Chalk Fertilizer combines ammonium nitrate with ground chalk, a form of calcium carbonate, to supply nitrogen and neutralize acidic soils. The chalk is an inorganic non-fertilizing substance, making this product classifiable under tariff item 3102.40.00 per Chapter 31 Note 2(c).