Seaweed Kelp Meal Fertilizer
Kelp meal is dried, ground Ascophyllum nodosum seaweed providing potassium, trace minerals, and plant growth hormones. HTS 3101.00.00.00 covers this vegetable (marine algae) product dried/chemically treated for fertilizer use. Enhances stress tolerance and root growth.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as seaweed for human/animal consumption
Medicinal/food seaweeds classified under Chapter 12
If kelp blended with ammonium nitrate
Specific nitrogen compound mixtures go to 3105.30
If seaweed polysaccharide extracts
Extracted vegetable saps/gums fall under Chapter 13
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Import Tips & Compliance
• Phytosanitary certificates required for all seaweed imports per APHIS Plant Protection Act
• Heavy metal analysis mandatory due to ocean pollution absorption risks
• Soluble potash content verification prevents 3104 potassic fertilizer misclassification
Related Products under HTS 3101.00.00.00
Organic Blood Meal Fertilizer
Blood meal is a dry, inert powder made from dried animal blood, primarily from cattle slaughterhouses, used as a high-nitrogen organic fertilizer. It falls under HTS 3101.00.00.00 because it is an animal-derived product chemically treated through drying and grinding for agricultural use. This nitrogen-rich amendment promotes vigorous leaf growth in gardens and crops.
Fish Emulsion Liquid Fertilizer
Fish emulsion is a liquid organic fertilizer produced by hydrolyzing fish carcasses with enzymes, providing nitrogen, phosphorus, and trace minerals. Classified under HTS 3101.00.00.00 as it's chemically treated from vegetable/animal (fish) products for plant nutrition. Ideal for foliar feeding and soil drenching in organic farming.
Bone Meal Granular Fertilizer
Bone meal consists of steamed bone meal ground into granules, serving as a slow-release phosphorus source for root development. It qualifies for HTS 3101.00.00.00 as an animal product (cow bones) chemically treated through steaming and milling. Commonly used in organic vegetable gardens and flower beds.
Worm Castings Organic Fertilizer
Vermicompost or worm castings are nutrient-rich soil amendment produced by earthworms digesting organic waste. Falls under HTS 3101.00.00.00 as vegetable-derived (plant matter) fertilizer through biological/chemical treatment in worm digestion. Excellent for improving soil structure and microbial activity.
Feather Meal Nitrogen Fertilizer
Feather meal is hydrolyzed poultry feathers processed into high-nitrogen (12-15%) organic fertilizer. Classified HTS 3101.00.00.00 for chemically treated animal (poultry) products serving as plant nutrient. Popular for heavy-feeding crops like corn and tomatoes.
Composted Chicken Manure Pellets
Pelletized chicken manure compost undergoes aerobic decomposition and pelletizing for odor-free, slow-release NPK fertilizer. HTS 3101.00.00.00 applies to chemically/biologically treated animal products. Balanced 4-3-2 nutrient profile for lawns and vegetables.