Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/1004/en

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Alongside the less commonly practised surface application, the rock dusts are preferably passed through the composting process. The unlocking and uptake into the life processes unfolds in a microbial metabolic activity. The quantity employed via composting is restricted to a mere light dusting of the compost material at setting-up.

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