Fairy rings are a common and troublesome issue in lawns, particularly where soil structure is poor. A fairy ring is a naturally occurring circle of mushrooms that develops from a single fungal colony or mycelium. This mycelium consists of countless fine fungal threads. In the Netherlands and Belgium, the species most commonly involved is the fairy ring mushroom (Marasmius oreades).
As the fairy ring expands, its impact on the lawn can increase. The mycelium forms a dense network at a depth of approximately 20 to 50 cm, making it more difficult for water to penetrate. As a result, the grass dries out more quickly and root development is hindered.
A possible solution is the timely application of DCM ANTAGON.® This organic base fertiliser (NPK 4-3-2) is enriched with Trichoderma, a beneficial fungus that accelerates the release of nutrients from organic raw materials. This allows plants to absorb essential nutrients such as nitrogen (N), phosphorus (P), potassium (K) and micronutrients more quickly and efficiently. In addition, Trichoderma stimulates soil life in the rhizosphere, leading to greater biodiversity and a more active soil ecosystem. This results in improved root development, stronger above-ground growth, and higher-quality plants. It also enhances resistance to abiotic stress, thereby reducing the likelihood of fairy ring formation.
