New

Ask Wove anything about tariffs.

Try Tariff Assistant

Ammonium Nitrate Calcium Carbonate Fertilizer Blend from China

This fertilizer is a mixture of ammonium nitrate with calcium carbonate, providing nitrogen for plant growth and calcium for soil pH adjustment. It falls under HTS 3102.40.00.00 as it consists of ammonium nitrate mixed with inorganic nonfertilizing calcium carbonate, per Chapter 31 note 2(c). Not suitable for blasting due to dilution with non-explosive substances.

Duty Rate — China → United States

25%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

• Verify the exact mixture ratio meets Chapter 31 note 2(c) requirements to avoid reclassification; obtain fertilizer registration from EPA; ensure packaging labels nitrogen content and warns against explosive misuse