Gold Member Since 2014
Audited Supplier
Humate (Tianjin) International Limited

Seaweed Extract manufacturer / supplier in China, offering Kelp Seaweed Extract, Food Additive Potassium Aluminium Sulphate, Industrial Grade 99%Min Sodium Thiosulfate and so on.

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Kelp Seaweed Extract

FOB Price: US $3,300 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $3,300/ Ton
Get Latest Price
Production Capacity: 500ton Per Month
Transport Package: 20kgs Kraft Paper Bags or 20kgs Cartons
Payment Terms: L/C, T/T, D/P
Basic Info
  • Model NO.: Kelp seaweed extract
  • Release Type: Slow
  • Type: Seaweed
  • Alginic Acid: 16%Min
  • Total Nitrogen: 0.60-2.0%
  • Potassium (K2o): 18-20%
  • Solubility: 99.5%Min
  • Characterics: Flake/Powder
  • Specification: ECOCERT
  • HS Code: 29420000
  • Classification: Organic Fertilizer
  • Appearance: Powder
  • Product Name: Kelp Seaweed Extract
  • Organic Matter: 45.0-55.0%
  • Phosphorus (P2o5): 1.0-3.0%
  • Microelement (Ca Cu Fe Mg Zn): 1.5-3.0%
  • pH: 6.8-9.5
  • Trademark: X-HUMATE
  • Origin: China
Product Description

Kelp seaweed extract

Seaweed extract for organic fertilizer

Increase crop quality

Totally organic from seaweed only

Have different size powder

Seaweed Extract Flake/Powder is a complete natural extract finely derived from brown seaweed, which contains 70 minerals, 17 amino acids, natural plant hormones, chelating agents and complex sugars. These naturally occurring nutrients and bioactive substances can provide multiple benefits to enhance yields, quality and vigor significantly for various plants.


Alginic acid, the major content of Seaweed Extract Flake/Powder, stimulates activities of soil micro organisms, improves the water-holding capability of soil, protects chemical fertilizers from leaching or locking up and helps the formation of crumb structure.

Mannitol existing in Seaweed Extract Flake/Powder is a powerful chelating Agent which helps cations entry into plants and be absorbed by plants more easily. It is beneficial for plants to utilize chemical fertilizers more efficiently.

Seaweed Extract Flake/Powder contains some critical trace elements with high concentrate, which can be readily available to plants because of their natural balanced and chelated form.

Seaweed Extract Flake/Powder is both nontoxic and environmental friendly, Which will increase marketable value for agricultural and horticultural products.


Foliar Spray: Dilution by 1: 3000-4000. Apply 3-4 times, at intervals of 20 days during the growing season.

Fertigation: 2-3 times, 1.5-2.0 kg/ha along with water irrigation. Dissolving method is as same as foliar spraying.

Such treatment solution can also be applied to seed bed directly as well as to roots and cuttings prior to transplanting.


Different regions, different climate, different soil, different crops etc need different formula to get the best efficacy. In order to make best formula for you, the special detailed information of your local soil and environment is require when you have inquiry to us. We will ask our professional research team to do
Best formula and sample for your test.


1)20kg kraft paper bags, 13mts/20'FCL

2) According to customers' requirments.

Our service:

>> Demand--Custom demand are welcomed, we can customize your brands.

>> MOQ --1 ton, the least mininum to support you.

>> Production--Assembly line production, high standard and strict requirements

>> Quality--Humic acid Sources are extracted from young active leonardite mine

>> Products--We have developed 5 series and more than 300 kinds of products.

>> Package--Tailor-made package to cater for your personalize taste

>> Payment--Various options to make payment more convenient

>> Delivery & Logistics— Within 15 working days after receipt of payment or L/C; We have big discount from forwarder (Long Contract) or LCL to save on your freight cost.

>> Customer Service--E-mail your suggestions or complaints, and we will handle them ASAP.

Our company:

Humate (Tianjin) International Limitded, is a professional manufacturer and supplier of seaweed extract in China, from Raw material purchasing, developing manufacturing and testing to high quality, we develop a professional management systerm to control all stages, to ensure our customers with powerful products to stand out in their market place.

Our products have good quality and low price in this field. If you are interest in our products, please don't hesitate to contact us, we will offer you ASAP. Looking forward to cooperating with you.


 Alginic Acid 16%Min
 Organic Matter 45.0-55.0%
 Total Nitrogen 0.60-2.0%
 Phosphorus (P2o5) 1.0-3.0%
 Potassium (K2o) 18-20%
 Microelement (Ca Cu Fe Mg Zn) 1.5-3.0%
 Solubility 99.5%Min
 pH 6.8-9.5
 Appearance Flake/powder

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