Dolomite Dolomite Flour with Biohumus GC 15 kg — soil amendment, calcium carbonate-rich amendment with organic humus

Dolomite Flour with Biohumus GC is a 15 kg soil amendment that combines finely ground dolomite flour — a natural source of calcium and magnesium carbonates — with organic biohumus. This blend is formulated to neutralize soil acidity, supply essential base cations, and improve soil structure and water-holding capacity. It is intended for use in garden beds, lawns, vegetable plots, fruit trees and ornamental plantings to support nutrient availability and healthier root development.

Advantages

The product supplies calcium and magnesium to soils in a slow-release form while the organic biohumus component enhances microbiological activity and organic matter content. Regular application helps reduce soil acidity, improves aggregate stability, and increases nutrient retention. The combination of mineral and organic components supports both immediate chemical correction of pH and longer-term improvement of soil fertility and structure.

Suitable for

• Garden beds and vegetable plots where pH correction and calcium/magnesium supply are needed
• Lawns requiring improved soil structure and reduction of acidity
• Fruit trees and berry bushes to support fruit set and reduce blossom end rot risks related to calcium deficiency
• Ornamental shrubs and perennials that benefit from increased organic matter and root development

When it may not be suitable

This amendment is not appropriate for already alkaline soils or plants that prefer acidic conditions, such as rhododendrons, azaleas, or blueberries. Excessive application on neutral to alkaline soils can raise pH beyond the optimal range for many common garden plants and may cause nutrient imbalances.

Key specifications

• Form: fine mineral powder blended with organic humus
• Main components: calcium carbonate and magnesium carbonate plus stabilized organic matter
• Packaging weight: 15 kg
• Function: pH neutralization, calcium/magnesium supply, soil structure improvement

How to use

Conduct a soil pH test before application to determine existing acidity and calculate appropriate rates. Apply the dolomite flour evenly over the target area and incorporate into the topsoil to a depth of 10–20 cm using a rake or tiller for best contact with roots and soil microbes. For established lawns and beds, apply in early spring or autumn and water after application. Avoid direct contact with seedlings; mix into soil before planting for new installations.

What to consider before purchase

• Perform a soil pH test to confirm the need for liming and to determine application rate
• Consider plant preferences: avoid using on acid-loving species
• Plan timing: best applied before planting or during periods when soil can be worked and watered
• Check local guidelines for liming rates to prevent over-application

Usage recommendations

Typical application rates vary by soil acidity and crop: follow soil test recommendations. For general guidance, apply moderate amounts and retest soil after a few months to monitor pH changes. Store the product in a dry place and keep out of reach of children. Use personal protective equipment (gloves, mask) when handling fine powders to avoid dust inhalation.