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Mineral or chemical fertilizers, nitrogenous. > Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 3102.29.00.00
AgroChem Ammonium Sulfate Bulk Fertilizer
Bulk ammonium sulfate fertilizer with an N-P-K analysis of 21-0-0, supplied in 50 kg bags or supersacks for commercial farming operations. It is a pure ammonium sulfate product, not mixed with ammonium nitrate or other nitrogenous compounds, and is not put up in the forms or packages described in heading 31.05.
3102.29.00Ammonium Sulfate with 24% Sulfur Analysis
Premium ammonium sulfate fertilizer with a guaranteed 24% elemental sulfur content, designed for high-sulfur-demanding crops such as onions and brassicas. It is a pure ammonium sulfate product, not combined with other nitrogenous compounds, and is not in retail packaging.
3102.29.00Caprolactam Byproduct Ammonium Sulfate
High-purity ammonium sulfate recovered as a byproduct of caprolactam production, repurposed for agricultural fertilizer use. It contains trace organic residuals but remains essentially ammonium sulfate, and is not put up in retail forms or packages.
3102.29.00Granular Ammonium Sulfate Fertilizer 21-0-0
Granular ammonium sulfate fertilizer with 21% nitrogen and 24% sulfur, used to correct sulfur deficiencies in crops like corn and wheat. It is a pure ammonium sulfate product, not mixed with other nitrogenous fertilizers, and is not in retail packaging.
3102.29.00Industrial Grade Ammonium Sulfate Crystals
Pure crystalline ammonium sulfate for industrial agriculture, used for alkaline soil correction and as a nitrogen source in large-scale farming. It is not put up in retail forms or packages and is not mixed with other nitrogenous compounds.
3102.29.00Low-Cadmium Ammonium Sulfate Fertilizer
Purified ammonium sulfate fertilizer with low cadmium content (Cd <1 ppm) for organic-adjacent farming systems. Despite purification, the base material remains ammonium sulfate, and it is not put up in retail forms or packages.
3102.29.00Micronized Ammonium Sulfate Powder
Ultra-fine micronized ammonium sulfate powder with particle size less than 50 microns, used for precision agriculture and suspension fertilizers. It is a pure ammonium sulfate product, not mixed with other nitrogenous compounds, and is not in retail packaging.
3102.29.00Neutral pH Ammonium Sulfate for Blueberries
Ammonium sulfate fertilizer specially formulated with pH neutralizers for acid-loving crops like blueberries and azaleas. The base material remains ammonium sulfate, and it is not put up in retail forms or packages.
3102.29.00SulfurCoated Ammonium Sulfate Fertilizer
Polymer-sulfur coated ammonium sulfate granules for controlled-release nitrogen in turf and golf course applications. The coating does not change the essential character of the product as ammonium sulfate, and it is not put up in retail forms or packages.
3102.29.00Water-Soluble Ammonium Sulfate 21% Nitrogen
Fast-dissolving ammonium sulfate powder for fertigation systems and foliar applications in greenhouse vegetable production. It is a pure ammonium sulfate product, not mixed with other nitrogenous compounds, and is not in retail packaging.