COMPO Expert mineral fertilizer Blaukorn Premium 15-3-20(+2+TE) — white bag with a blue circle and a check mark, front view

COMPO Expert·Macronutrients

Blaukorn Premium 15-3-20(+2+TE)

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Granular mineral fertilizer 15-3-20 with a high potassium content, based on potassium sulfate, with magnesium, sulfur, boron, iron and zinc for chloride-sensitive crops.

Main advantages

  • 20% K2O from sulfate — for potassium-poor soils
  • Ammonium and nitrate nitrogen — fast action
  • 9% sulfur, 2% MgO — in one granule with NPK
  • Low chloride — for horticulture and sensitive crops

Overview

About this product

Blaukorn Premium 15-3-20(+2+TE) — complex granular fertilizer rich in potassium: 20% water-soluble K2O in sulfate form for crops with a high potassium demand and potassium-poor soils. Nitrogen is 15% in the fast-acting ammonium (8%) and nitrate (7%) forms, sulfur 9%, MgO 2%, P2O5 3%, plus boron, iron and zinc.

It is applied as basal and supplementary feeding for chloride-sensitive crops and on soils prone to salinisation, with a spreader or by hand. Bags of 40 and 50 kg, big bags from 500 kg.

Application

Rate, timing and crops

Timing

Basal and supplementary feeding

Throughout the growing season

Method
Soil application with a spreader or by hand
Conditions
Irrigation speeds up the action

Figures from the manufacturer, COMPO Expert. Source page

Specifications

Nutrient composition

TypeNPK Complex
Composition
  • Nitrogen (N), total15.0%
    nitrate7.0%
    ammonium8.0%
  • Phosphorus (P2O5)3.0%
    water-soluble2.4%
  • Water-soluble potassium (K2O)20.0%
  • Magnesium (MgO)2.0%
    water-soluble1.6%
  • Sulfur (S)9.0%
    water-soluble7.2%
  • Boron (B)0.02%
    water-soluble0.016%
  • Iron (Fe)0.06%
  • Zinc (Zn)0.01%
FormGranular
ApplicationSoil
ManufacturerCOMPO Expert
Packaging40 kg; 50 kg; 500 kg big bag; 600 kg big bag; 1000 kg big bag; 1200 kg big bag

Vendor offers

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Questions & answers

What farmers ask most

  • Rates depend on crop, prior history, soil-analysis results, and current soil nutrient status. A typical NPK complex on cereals is 150–300 kg/ha. Use the NPK calculator on adam.ua or consult an agronomist for an exact dose.

Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.

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