Official european organic vegan farming certification and network : Our farmers do not use fertilisers (solid manure, slurry etc.) or other substances from animal excrements or parts of the animal body. In addition, the use of products such as feathers, bone and hair meal, horn shavings, blood etc. is prohibited in biocyclic vegan agriculture. Instead, soil fertility is achieved by using plant and mineral inputs such as green manure (legumes, e. g. clover), compost and humus soil, fermentation substrates or other plant based fertilisation techniques. This standard is available worldwide as a global IFOAM (International Federation of Organic Agriculture Movements) stand alone standard.

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