Soil Improver – Organic Bioactivation – Mr. Green Grass®

  • Stimulates microorganism activity in the soil
  • Improves nutrient uptake via the root system
  • Naturally enhances soil quality
  • Conditions soil and boosts fertiliser efficiency
  • Backed by excellent customer reviews
2,25 kg3,75 kg7,5 kg15 kg
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Soil Improver – Organic Bioactivation – Mr. Green Grass®

This granular organic fertiliser – Soil Improver – Organic Bioactivation – is designed for use in gardening, on lawns, and wherever you want to significantly improve soil properties and ensure healthy, robust plant growth. It contains highly active humic and fulvic acids that are up to five times more effective than those from compost or manure. As a result, you’ll see a marked improvement in soil life, structure, and the rhizosphere after the first application.

Its unique formula not only improves soil structure and aeration—making it easier for roots to absorb water and nutrients—but also stimulates beneficial microorganisms, enhancing soil aeration and plant nutrition. This product effectively neutralises toxins and binds heavy metals, making soil safer and increasing fertiliser efficiency to support healthy vegetation growth. Moreover, its eco-friendly composition and application method make it a responsible choice for both your garden and the environment.

Remember to store the product in a cool, dry place in its original, unopened packaging, out of reach of children and pets. Do not repackage.

Long-Lasting Stability Thanks to Granular Form

We use a unique granular formula that ensures long-lasting, stable release. Unlike liquid fertilisers—which can be quickly washed away or broken down—our product maintains its effectiveness over an extended period.

The product contains immediately available yet persistent humus, a key advantage over liquids. Our free humic acids and hydrophobic fulvic acids have a stable organic structure that prevents settling. This increases cation exchange and buffering capacity, as well as water retention.

Thanks to its granular form, application is simpler and cleaner compared to liquids that require mixing and spraying. This eliminates unnecessary mess and hassle. You can easily and evenly spread our product with a spreader, ensuring excellent coverage and minimising erosion and leaching.

The improver is also more stable during storage than liquid forms, which may require special conditions.

Versatile Organic Fertiliser Usage

Soils that benefit most from this product are those with quality and structure issues.

  • Heavy, clay soils: Improves structure by increasing permeability and aeration, aiding root development and respiration.
  • Sandy soils: Boosts water and nutrient retention that would otherwise leach away.
  • Soils low in organic matter: Significantly raises organic content, crucial for soil fertility.
  • Soils with low microbial activity: Stimulates soil life, aiding natural regeneration and nutrient availability.
  • Contaminated or degraded soils: Helps neutralise toxins and bind heavy metals, purifying soil for safer cultivation.

Tested and Proven Quality

Our product is analysed using HPTA (ISO 19822:2018) to precisely measure humic and fulvic acid content. Most suppliers use less accurate colorimetric methods that overestimate results and fail to identify non-humic substances like lignosulfonates. To maintain the highest standard, we apply the best available analytical norm in quality control.

Application

Soil Improver – Organic Bioactivation – Mr. Green Grass® can be used from March through November, applied with a rotary spreader.

Dosage:

  • Lawn establishment: 7–8 kg per 100 m² (70–80 g/m²)
  • Existing lawn care: 3–4 kg per 100 m² (30–40 g/m²)
  • Vegetable beds, flower borders, trees & shrubs: 50–100 g/m²
  • Container growing: 3 g per litre of substrate

Apply four times a year or every 8 weeks. After use in non-lawn areas, mix granules into the topsoil layer.

After application, water the area thoroughly.

Do not use on pavements, floors, tiles, or similar surfaces. If spilled, remove immediately and rinse with water.

Parametry

WeightN/A
Humic substances

60%

Free humic acid

34%

Hydrophobic fulvic acid

4-5%

Dry matter

68-72%

Organic matter

>80%

pH

5-6

Granule size

1-6 mm