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Rock Phosphate and Potassium Chloride Granular Fertilizer

A granulated blend of calcined rock phosphate and potassium chloride, providing slow-release phosphorus and potassium for lawn and garden use. It contains only these two fertilizing elements and is packaged in 40 lb bags.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3105.10.00Same rate: Free

If sold in packages with gross weight not exceeding 10 kg

Heading 31.05 applies to fertilizers in small retail packages.

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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

• Ensure the product is not in packages weighing 10 kg or less, which would fall under heading 31.05

• Provide the N-P-K analysis and confirm the rock phosphate is calcined as per heading 31.03

• Verify no nitrogen is present in the blend

Related Products under Tariff item 3105.60.00

Berry Crop Phosphorus-Potassium Blend

A granular fertilizer blend containing triple superphosphate (TSP) and sulfate of potash, formulated as 0-40-20 for small fruits. It provides only phosphorus and potassium as fertilizing elements, with no nitrogen, and is packaged in 25 kg bags for retail sale.

Citrus & Tomato PK Fertilizer 0-12-24

A specialty granular fertilizer with a 0-12-24 N-P-K ratio, using triple superphosphate and potassium sulfate for fruiting plants. It contains only phosphorus and potassium as fertilizing elements and is sold in 20 lb bags for consumer use.

Diammonium Phosphate Potash Mix 18-46-0

A high-phosphorus fertilizer blend of diammonium phosphate (DAP) and potassium sulfate, formulated as 18-46-0 for fruit and vegetable crops. Packaged in 25 kg bags for home gardeners, it contains both phosphorus and potassium as essential fertilizing elements. This product falls under tariff item 3105.60.00 because it is a mineral fertilizer containing the two fertilizing elements phosphorus and potassium, not put up in forms or packages described in heading 31.05.

Greenhouse PK Soluble Powder

A soluble powder fertilizer containing monoammonium phosphate (MAP) and monopotassium phosphate (MKP), formulated as 0-50-30 for greenhouse irrigation systems. Packaged in 10 kg pails, it provides phosphorus and potassium in a highly soluble form. This product is classified under 3105.60.00 as a mineral fertilizer containing the two fertilizing elements phosphorus and potassium, not put up in retail packages under 10 kg.

Langbeinite Sulfate of Potash with Monoammonium Phosphate

A natural langbeinite (sulfate of potash-magnesia) blended with monoammonium phosphate to create a 0-20-20+Mg fertilizer. It supplies phosphorus and potassium as primary fertilizing elements, with magnesium as a secondary nutrient, and is packaged in 50 lb bags.

Lawn Starter Phosphorus-Potassium Granules

A granular lawn starter fertilizer with rock phosphate and potash, formulated as 0-15-15 for new turf. It contains only phosphorus and potassium as fertilizing elements and is packaged in 40 lb bags for consumer use.