Sulpomag Potassium-Magnesium Fertilizer from Mexico
Granulated sulpomag (K2SO4·2MgSO4) provides potassium, magnesium, and sulfur for crop nutrition. HTS 3104.90.0100 covers this as other potassic mineral fertilizer not matching enumerated chemical salts.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify guaranteed analysis percentages for K2O, Mg, and S on commercial invoice
• Confirm not mixed with organic matter that would exclude from Chapter 31
• Storage compatibility declarations prevent hazardous material surcharges