volcanic rock - spreading for gardening / landscaping and agraranwendungen

摘要

streumaterial to kultursubstratverbesserung or to cover land, characterized by the fact that the streumaterial granulated vulkangesteinsmaterial, i. e.lava or / and clay or zeolite and / or raw, i.e.expanded perlite is not, with the fraktionsanteil the above vulkangesteinsmaterialien on the total mass of the streumaterials, preferably more than 50%.especially preferred is nearly 100%.