Nematodos KEM — this bio-preparation contains the active substance Arthobotrys oligospora Z21 with a titre of 2.0*106 IU/g. The preparation is intended for use in agriculture, including retail sale to the public and use under private farming conditions. It is used to protect greenhouse tomatoes from nematodes. The recommended dosage is 40 – 120 g/ha (0.4 – 1.2 g/100 m²), applied via drip irrigation or applicators, with an interval of 7 – 14 days, repeated 6 – 10 times. The preparation is environmentally safe and can be used in ecologically clean conditions. Nematodos KEM effectively combats nematodes in their early stages of development.