Harzer Dolomit
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HARZER DOLOMITKALK - The natural source of magnesium for all plants

Our garden soils are subject to constant acidification, caused by climate-induced, acidified input (acid rain), together with lime extraction due to biological reactions in the soil (use of acid fertilisers and decomposition of organic matter) and plant growth.

Nutrients extracted from the soil need to be returned by fertilising. Justus von Liebig already realised this some 150 years ago. Nitrogen, phosphorus, calcium, magnesium and sulphur encourage plant growth. Liming improves the fertility of the soil, thereby establishing the necessary conditions for all other cultivation measures.

Soils can be ameliorated gently and sustainably by liming with HARZER DOLOMITKALK. The nutrients calcium and magnesium are applied in a single step. Its fine-grained structure makes HARZER DOLOMITKALK easy to spread.

HARZER DOLOMITKALK is available at all good garden centres and comes in 10 kg and 25 kg PE bags.


Magnesium calcium carbonate 85
50% CaCO3 (calcium carbonate)
35% MgCO3 (magnesium carbonate)

An easy-to-spread, natural product for gently
enriching your soil with calcium and magnesium.
Regulates the pH value and lastingly improves
the soil structure.

Depending on the soil analysis and the plants present, apply the recommended quantity at intervals of 2 to 3 years.

Light soils 20 – 25 kg/100 m²
Heavy soils 15 – 20 kg/100 m²

Remedial liming: Approx. 40 – 100 kg/100 m², depending on pH value and soil analysis.
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