Looking for the right HTS code for your product?
Chapter 31FertilizersUS Harmonized Tariff Schedule
U.S. Import Duty, Tariffs, and Classification Details for Chapter 31
Fertilizers, classified under Section VI (Products of the Chemical or Allied Industries) in the Harmonized Tariff Schedule — covering 5 headings.
Other Chapters in Section VI
Ch. 28Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopesCh. 29Organic chemicalsCh. 30Pharmaceutical productsCh. 32Tanning or dyeing extracts; dyes, pigments, paints, varnishes, putty and masticsCh. 33Essential oils and resinoids; perfumery, cosmetic or toilet preparationsCh. 34Soap, organic surface-active agents, washing preparations, lubricating preparations, artificial waxes, prepared waxes, polishing or scouring preparations, candles and similar articles, modeling pastes, 'dental waxes' and dental preparations with a basis of plasterCh. 35Albuminoidal substances; modified starches; glues; enzymesCh. 36Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparationsCh. 37Photographic or cinematographic goodsCh. 38Miscellaneous chemical products
HTS Headings in Chapter 31
53101.00.00.00Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products
3102Mineral or chemical fertilizers, nitrogenous:
3103Mineral or chemical fertilizers, phosphatic:
3104Mineral or chemical fertilizers, potassic:
3105Mineral 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:
FreePlaybook + 7 Bonuses
The Audit-Ready Classifications Playbook
Learn how to create HTS classifications that reduce import risk and defend profits — faster than ever.
What's inside
- Step-by-step classification methodology
- Audit defense strategies & documentation templates
- Common classification mistakes to avoid
- GRI application guide with real examples
- 7 FREE tools and templates to boost your classifications
Tools for Importers & Brokers Working with HTS Chapter 31 Codes
Everything you need to classify, calculate duties, and stay compliant.
Classification Assistant
Produce audit-ready classifications in minutes — AI-powered candidate discovery, Legal Note & GRI analysis, CROSS validation, and one-click professional reports.
Classify a Product NowDuty & Tariff Calculator
See the full import cost breakdown for any HTS code from any country — base duties, Section 122, 232, and 301 tariffs, exemptions, and trade programs.
Calculate Duty RatesTariff Impact Checker
Instantly see if new tariffs or HTS updates affect your imports and get notified when they do!
Check Your Imports