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Fertilizers

OFFICIAL IMPORTER · MADE IN THE USA

A strong harvest starts below ground.

HumiK WSP — a water-soluble humate extract from HGS BioScience. American technology for soil, nutrition and roots, with official import and support from Kerchev & Sons.

Request an offer for your farm →

One product. Three priorities for your farm.

01

Soil that works for you

Humic substances support soil structure, water retention and the soil microbiome.

02

More accessible nutrition

They support nutrient availability and uptake by plants.

03

Roots with room to develop

They support root growth and plant tolerance to stress.

How humic substances work · HGS BioScience ↗

Results published by HGS BioScience

+5–20%

Yield · field-trial meta-analysis (2022)

+25%

Phosphorus uptake · alkaline soils

−23–26%

Nitrogen fertilizer losses

+60%

Root development · seedlings

+11%

Water holding capacity

General humic-acid findings cited by HGS, not a standalone HumiK WSP trial. Results depend on conditions.

Source and trial results ↗

What is in HumiK WSP?

60%Humic acid
5%Fulvic acid
10%Potassium

Composition stated in the HGS BioScience product brochure. Follow the Bulgarian label for local use.

Manufacturer’s product brochure ↗

HumiK WSP technical data (PDF) ↗

Water-soluble. Practical. Part of your system.

The powder blends with water and can fit different application methods. Tell our team about your crop, area and equipment to discuss an appropriate application plan.

Cereals · Industrial crops · Vegetables · Orchards

KERCHEV & SONS × HGS BIOSCIENCE

American technology. A Bulgarian partner.

Kerchev & Sons provides official import, product documentation and advice. Contact us for current availability, pricing and delivery to your farm.

  • Official representation
  • Bulgarian product documents
  • Application advice
  • Pricing and delivery on request
0700 900 77

Product documents

Application and questions

How do I choose a rate?

Specify the crop, area and application method. Use the product label and consult our team for the appropriate rate.

What should I send for a quotation?

Crop, area, required quantity and delivery location.

Where are the technical documents?

The label, approval document and letter of authorization are available above.

Let’s discuss your farm.

Send the crop, area and preferred application method so we can discuss the product and delivery.

Contact us →0700 900 77