COMPO Expert mineral fertilizer Blaukorn Suprem 21-5-10(+3+TE) — white and blue bag, front view

COMPO Expert·Macronutrients

Blaukorn Suprem 21-5-10(+3+TE)

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Blaukorn Suprem 21-5-10(+3+TE) — a granular NPK fertilizer based on potassium sulfate with 21% nitrogen, magnesium and micronutrients for crops with a higher nitrogen need.

Main advantages

  • 21% nitrogen, nitrate and ammonium — a fast-acting N source
  • Potassium sulfate, low chlorides — for sensitive crops
  • Low phosphorus — for soils rich in phosphates
  • Open field and greenhouses — spreader or by hand

Overview

About this product

Blaukorn Suprem 21-5-10(+3+TE) — a granular mineral NPK compound fertilizer based on potassium sulfate for crops with a higher nitrogen need and for additional feedings. It contains 21.0% nitrogen in nitrate (10.0%) and ammonium (11.0%) forms, 5.0% P2O5, 10.0% K2O, 3.0% MgO, 15.0% SO3, plus boron, iron and zinc.

The low chloride and phosphorus content makes it suitable for chloride-sensitive crops, soils prone to salinity and soils rich in phosphates. Suitable for horticulture and field crops; applied with a spreader or by hand throughout the growing season.

Application

Rate, timing and crops

Timing
Throughout the growing season
Method

With a fertilizer spreader or by hand

Watering helps an immediate effect

Conditions

Use only where needed; do not exceed the application rate

For professional use

Crops
HorticultureField cropsOpen fieldGreenhouses

Figures from the manufacturer, COMPO Expert. Source page

Specifications

Nutrient composition

TypeNPK Complex
Composition
  • N, total nitrogen21.0%
    nitrate10.0%
    ammonium11.0%
  • P2O5, phosphorus5.0%
    water-soluble4.0%
  • K2O, potassium10.0%
  • MgO, magnesium3.0%
    water-soluble2.4%
  • SO3, sulfur15.0%
    water-soluble4.8%
  • B, boron0.02%
    water-soluble0.016%
  • Fe, iron0.30%
  • Zn, zinc0.020%
FormGranular
Granule size distribution90% < 5 mm
Target CropsHorticultural crops, Field crops
ManufacturerCOMPO Expert
Packaging25 kg; 40 kg; 50 kg; 500 kg (big bag); 600 kg (big bag); 1000 kg (big bag); 1200 kg (big bag)
Hazard statements (H)EUH210

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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