Fern manure can be used as a repellent against insects, slugs and snails, but also as a treatment against certain diseases or even as organic fertilizer. Fern manure has a preventive and curative action against diseases cryptogamics such as rust and powdery mildew. Can be used during transplanting for its benefits on root development. Fern manure is used: - As a preventative against parasites: It creates an unfavorable terrain for installation of some plant parasites, but also in Fern manure has a preventive and curative action against fungal diseases such as rust and powdery mildew. Our concentrate is developed by a French company specialized in drying plants. The products in this range are 100% natural and are ecological by their packaging because they avoid plastic cans.