3105.59.00.00
Other
Classification path
- Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
- Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus
- Other
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- Free
- Unit of quantity
- t
Related lines in heading 3105
- 3105.10.00.00Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kgFree
- 3105.20.00.00Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassiumFree
- 3105.30.00.00Diammonium hydrogenorthophosphate (Diammonium phosphate)Free
- 3105.40.00.10Ammonium dihydrogenorthophosphate (Monoammonium phosphate)Free
- 3105.40.00.50OtherFree
- 3105.51.00.00Containing nitrates and phosphatesFree
- 3105.60.00.00Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassiumFree
- 3105.90.00.10Potassium nitrate-sodium nitrate mixturesFree
- 3105.90.00.50OtherFree
About heading 3105
Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
Heading 3105 covers mineral or chemical fertilizers that contain two or three of the fertilizing elements nitrogen, phosphorus and potassium, plus other fertilizers not covered by the straight nitrogenous, phosphatic or potassic headings. It also covers goods of chapter 31 put up in tablets or similar forms, or in packages with a gross weight of 10 kg or less. The heading splits first by nutrient combination (NPK, NP, PK, other) and then by the specific chemical compound, such as diammonium phosphate or monoammonium phosphate.
Full guide to heading 3105Products in this heading
- NPK blended fertilizer containing nitrogen, phosphorus and potassium
- Diammonium phosphate (DAP)
- Monoammonium phosphate (MAP) and its mixtures with DAP
- NP fertilizer containing nitrates and phosphates
- PK fertilizer containing phosphorus and potassium
- Potassium nitrate-sodium nitrate mixtures
- Fertilizer tablets or retail packages of 10 kg or less gross weight
Frequently asked questions
What is the HTS code for blended NPK fertilizer?
NPK fertilizer containing all three fertilizing elements classifies under 3105.20.00.00, with a general (MFN) rate of Free.
What is the duty on diammonium phosphate?
Diammonium hydrogenorthophosphate (diammonium phosphate) classifies under 3105.30.00.00 and carries a general (MFN) rate of Free.
How do I classify fertilizer in retail packages of 10 kg or less?
Goods of chapter 31 in tablets or similar forms, or in packages with a gross weight not exceeding 10 kg, classify under 3105.10.00.00 at a general (MFN) rate of Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.