Campasan Extra SL — plant growth regulator containing ethephon at a concentration of 660 g/l. The product is used to increase the yield of spring barley and winter wheat. The recommended dosage is from 0.2 to 0.5 liters per hectare, depending on the crop. Manufacturer — JSC "NUFARM UKRAINE" from Kyiv and Nufarm GmbH & Co KG from Linz, Austria. The product belongs to water-based solutions and is applied via foliar spraying. Its action is aimed at stimulating plant growth and development, which contributes to increased yield. Using Campasan Extra SL allows achieving more uniform grain ripening and improved quality. Campasan Extra SL was registered on May 5, 2020, under registration number 13105. The product is recommended for use according to the specified dosage to avoid overdose and ensure effective action on plants.