Gold Member Since 2009
Audited Supplier
Shanghai Bosman Industrial Co., Ltd.

Alginic acid fertilizer, seaweed extract flake, seaweed fertilizer manufacturer / supplier in China, offering Organic fertilizer Alginic acid formulation seaweed extract, Fungicide Sulfur 80% WDG, Fungicide Cyazofamid 400g/L SC, 30% WP, 95% TC and so on.

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Supplier Homepage Product Fertilizer Organic fertilizer Alginic acid formulation seaweed extract

Organic fertilizer Alginic acid formulation seaweed extract

Purchase Qty.:
1,000-21,999 22,000+
FOB Unit Price: US $3.5 US $2.5
Purchase Qty. (Kg) FOB Unit Price
1,000-21,999 US $3.5
22,000+ US $2.5
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Production Capacity: 500mt/Month
Transport Package: 25kg/Bag or Customized
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Alginic acid 100~ 180g/L, Organic matter 40~60%
  • Release Type: Quick
  • Chemical Character: Chemical Alkaline
  • Type: Seaweed
  • CAS No.: 68917-51-1
  • pH: 8~10
  • Specification: 10~18%
  • HS Code: 3824
  • Classification: Organic Fertilizer
  • Infection on Soil: Physiological Neutral
  • Appearance: Solid
  • MF: C6H7O6Na]n
  • Source: Ascophyllum Nodosum
  • Trademark: Bosman
  • Origin: China
Product Description



Water Soluble


Alginic Acid

 ≥ 18%

Potassium(As K2O)

≥ 18%

Organic Matter


pH Value



Black Brown


Shiny flake and black brown fine powder


Store in cool and dry place


500g/bag, 1kg/box,10kg/Bag,25kg/Bag or customized

Shelf life


Function of seaweed extract fertilizer
1. Enhance crop resistance to drought, cold and salt.
2. Regulate the growth of plants, promote differentation of bud and flower.
3. Promote root growth, increase the absorption of water and nutrition, improve the content of chlorophyll. 
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