The raw materials of 20% seaweed extract are kelp and brown alga. After processed by Physical crushing, biochemical extraction, absorption concentration, film drying, etc, the product is finally made to seaweed extract flakes or seaweed extract powder.

The seaweed extract flakes / powder has special quality, quick dissolution rate, high activity and good absorptivity. It has many functions including growth promoting, production increase, disease prevention, insect expelling, etc. 20% Seaweed extract can be used for root irrigation, water flushing irrigation, foliar spray, etc. It can also be used as raw materials for biological fertilizer, compound fertilizer, organic fertilizer, etc.

More kinds of seaweed extract: 12% 14%-16%18%.

Big flake seaweed extract 3-6 mm
Seaweed Extract Flake 3-6mm
Small thick flake seaweed extract
Seaweed Extract Flake 2-4mm
Seaweed Extract Powder
Seaweed Extract Powder

See details on YouTube: 

Main Specification

Product codeJFHA-SE-1-F/P
AppearanceBlack Flake/Powder
Solubility in water  100%w/w
Organic matter≥50%w/w
Alginic acid  ≥20%w/w
Seaweed polysaccharides  ≥35%w/w
Amino acids≥1.5%w/w
Nitrogen ≥0.5 %w/w
Phosphorus(P205)  ≥2%w/w
Potassium(K20)  ≥20%w/w
Moisture(H20)  ≤5%w/w
Test ReportCOA seaweed extract 20%

Seaweed Extract Flakes / Powder Main Function

  1. Supply organic nitrogen, increase soil fertility.
  2. Enhances crop’s resistance.
  3. Promotes cell elongation and tissue differentiation.
  4. Speed up the enzyme metabolism and lignin formation.
  5. Carbohydrate transport and protein metabolism.
  6. Promotes root growth and development.
  7. Promotes pollen germination and pollen tube growth.
  8. Accelerates flower bud differentiation, Promotes to keep good shape, bright and colorful peel, high sugar content.
  9. Improves the ability of plants to fight against frost, cold, submersion and drought.

Seaweed Extract Flakes / Powder Usage

  1. Dilute it with 3000-4000 times water, using for water flushing irrigation, drip irrigation and foliar spray.(Better to choose seaweed extract flakes)
  2. Use it together with compound fertilizer in the percentage 1:100.
  3. Strengthen the effect of pesticide and foliar fertilizer: Add it together to pesticide and foliar fertilizer liquid in the percentage: 1:5000.(Better to choose seaweed extract powder)


  1. Supply ability : 1000 MT/month
  2. 1kg, 5kgs, 10kgs printing aluminium foil bag + 10kgs, 20kgs printing carton box.
  3. 20kgs/25kg woven/paper bags with inner liner.
  4. 20kgs/25kg color printing PP/PE bags with inner liner.
  5. 1MT,1.1MT jumbo bags with discharge hole.
  6. According to customer’s requirement.


  1. The nutrition is comprehensive, and the plant grows evenly after application.
  2. Activated trace elements are conducive to the absorption of trace elements by plants.
  3. The dosage is small and the effect is good.
  4. Enhance plant resistance to stress, improve plant resistance to drought, cold, pests and diseases, etc. Foliar spraying can improve the effect of pesticides.
  5. Natural seaweed extract is safe and environmentally friendly, effectively improving soil properties, and has no toxic side effects to humans and animals.

Leave a Reply

Your email address will not be published. Required fields are marked *