Gold Member Since 2009
Audited Supplier
Qingdao Seawin Biotech Group Co., Ltd.

Fertilizer, Organic Fertiliser, Seaweed Extract manufacturer / supplier in China, offering Alga 21st, Seaweed Extract Powder/Flake Fertilizer (Seaweed Extract Powder / Flake), Seaweed Extract Fertilizer of Amino Acid (Seaweed Amino) and so on.

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Alga 21st

FOB Price: Get Latest Price
Min. Order: 3 Tons
Port: Qingdao, China
Transport Package: 20kgs/Carton
Payment Terms: L/C, T/T

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Basic Info
  • Chemical Character: Chemical Neutral
  • Origin: Qingdao, China
  • Trademark: SEAWINNER
Product Description
100% water soluble seaweed extract flake. Seaweed organic fertilizer. Used by Spraying and irrigation / fertigation, or added to other fertilizers.

Product character:
Black or brown flake, water soluble, pH=8-10

Main ingredient:
Alginic Acid: 8-15%, organic matter≥ 50%, N≥ 0.5%, P2O5≥ 3.0%, K2O: 18-22%, much secondary element and microelements, cytokinin, betaine, vitamin, trehalase, amino acid.

Improve crop's quality, enhance resistance of crops, induce plants to enhance resistance to disease, meliorate soil, increase yield for 15 to 30%.

Method of application:
Spraying: Diluted with water by 1: 2500-3000.
The crops with one picking: To spray 3~4 times in whole growing period.
The crops with several picking: To spray after each picking.
Drip Irrigation: Diluted with water by 1: 2500-3000. Dosage: 1.5-3 kg/ha.
To apply 3~4 times in whole growing period.
Alga 21st
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