Biostimulant rich in phosphorus for good rooting. Fern manure is used as a preventive and curative means of control. Preventive and curative action on all garden plantations against insects. Dilution of fern manure For all plants, vegetables and fruit trees. Product to be diluted and sprayed every 2 to 3 weeks from spring to autumn. Dilution: 200 ml in one liter of water. Capacity: 1 L of active product. Composition: Fern, water. Click here to download the instructions for use in PDF format.