Water-Soluble Ammonium Sulfate Fertilizer from Canada
Highly water-soluble ammonium sulfate for fertigation systems in greenhouse vegetable production. Classified under HTS 3102.21.00.00 meeting purity standards for ammonium sulfate without additives. Enables precise nutrient delivery through drip irrigation.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify solubility specs in documentation for fertigation verification
• Check for anti-caking agents; excessive organics may exclude from chapter coverage
• Obtain phytosanitary certificates if destined for organic farming certification