German technology
Humic Substances Based Products
Humintech GmbH
Am Pösenberg 9-13
D-41517 Grevenbroich

Telefon: +49 2181 70 676 - 0
Fax: +49 2181 70 676 - 22
E-Mail senden

Number: EINECS - 271-030-1
Number: CAS - 68514-28-3

Reference number (REACH):

HUMINSEED® WSP is a water-soluble plant fortifier based on highly bioactive potassium humate and potassium fulvate. High concentrations of humic substances support enzyme activity and metabolic processes inside the treated seed during germination, increasing the germination rate. Seeds treated with HUMINSEED® WSP can absorb the bioactive humic substances through the cell membrane, stimulating the metabolic activities of the embryo.

HUMINSEED® WSP accelerates the seed germination process and root development in the field. This product can be applied alone or in combination with previously tested mordants and agents.


  • Premium quality: High active ingredient content and highest product purity
  • Produced using raw materials rich in active ingredients and gently concentrated
  • Accelerates and increases the germination rate
  • Accelerates the growth rate
  • Improves early nutrient absorption by the roots
  • Stimulates metabolic processes and enzyme activity inside the germinating seed
  • Strengthens the growth of radicles
  • Strengthens the creation and formation of flower buds and the fruit formation


  • Seed Dressing
  • Seed Coating 
  • Seed Priming


Seed Dressing 
0.1 % or 100 g/100 kg seed dressing according to thousand grain weight (T.G.W.)

Seed Pilling
0.1 - 0.2 % solution into the pilling mass

Seed Priming
0.1 % priming solution for soaking bath, before subsequent drying and sowing


* These are standard recommendations that can vary according to soil properties, cultivated crop and local system conditions.

INHERENT COMPOSITION (Typical values based on Dry Matter)

Potassium - Humates

80 – 85 %

Total Humic Acids 1/2

67 - 70 %

Humic Acid 1

61 – 63 %

Fulvic Acid 1

6 – 7 %

Potassium (K2O)

10 – 12 %

Dry Matter

83 – 85 %

Organic Substance

67 – 70 %

pH - value 

9.5 – 10.5

Bulk Density

0.55 – 0.65 kg/L

according to ISO 19822 / HPTA / AAPFCO / IHSS Analysis method 
2 according to CDFA  61 - 65 % / Colorimetric method 84 - 86 %
“All Humintech humic substances based products are analysed according to the HPTA test method (ISO 19822:2018) to determine the content of humic and hydrophobic fulvic acids. Most suppliers are using the more simple “colorimetric” analysis method to determine the humic and fulvic acid contents, but experience shows that, due to its inaccuracy, this method indicates higher contents and is not suited to identify non humic substances such as lignosulphonates. In order to maintain the highest quality standard, Humintech has therefore decided to use the currently best analytical standard for the determination of humic and fulvic acids within the scope of quality control.”


Store in a dry place, protected from frost, heat and direct sunlight. Store out of the reach of children!

Delivery specs

Carton Box
10 kg

5/25 kg

Big Bag


Humintech is a biotech company based in Grevenbroich, Germany. We are primarily focused on the research, development and industrial production of humic matter and humic acids for the agricultural sector.  Our products find further use in the feed, pharmaceutical and construction industry, in veterinary medicine and for ecological purposes such as water purification and soil decontamination.


Humintech GmbH

Am Pösenberg 9-13
41517 Grevenbroich / Deutschland 

Phone: +49 2181 70 676 - 0
Fax: +49 2181 70 676 - 22


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