Phosphor containing fertilizer production from animal flour, comprises mixing of flour with alkali

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The invention relates to a method for the preparation of a phosphorus-containing fertilizer from animal meal. The animal meal is quartz connections with alkali and/or alkaline-earth and/or to a mixture of materials and these are subsequently mixed at a temperature of at least 800 DEG carbon burned, wherein the meat-and-bone meal provides at least a portion of the energy necessary for the combustion itself. The alkali and/or alkaline earth metal and/or ensure a good availability to plants in the combustion product contained phosphorus compounds quartz connections.