Primary rock flour

Made from the finest diabase rock flour (lava rock), with valuable minerals and trace elements - to promote natural soil fertility.

Our primary rock flour is a pure natural product

The soil fertility is increased - the soil life is activated. 

The high silica content (over 40%) has a mildly alkaline effect and helps to prevent soil acidification. An optimal and stable pH value is achieved. pH-value: 8.7

Year-round application possibilities:

vegetables 200-300g/m²

Lawn 100-200g/m²

Trees 2-5kg/tree

Shrubs 250g/m²

Compost preparation 300g/m² in layers every 15cm

With valuable minerals and trace elements:

SiO2 43%, Al2O3 11.3%, TiO2 2.2%, CaO 9%, MgO 5%, Na2O 4.5%, K2O 0.51%, Fe2O3 11.7%, P2O5 0.58%, SO2 0.48%, CO2 10.5% and many other trace elements

cobalt 53mg/kg, chromium 25mg/kg, nickel 35mg/kg, copper 35mg/kg, manganese 990mg/kg, zinc 197mg/kg, boron 0,48mg/kg, molybdenum 13,6mg/kg