Abstract
The article presents the results of field experiments on the use of micro fertilizers on sunflower. The object of the study was a hybrid of sunflower Fausto from the company "Strube D&S GMBH". Field experiments were carried out with micro fertilizers of the German company "Lebozol", the Russian "Polydon Agro" and the Lithuanian "Acoustic Biotechnologies (brand Humic Land"). Leaf fertilizing with micronutrients and their treatment of sunflower seeds and their combination were studied. As studies have shown, the variant with the use of micronutrients for seed dressing against the background of leaf fertilizing showed the greatest effectiveness. Leaf fertilizing without treating seeds with trace elements did not significantly in-crease the yield and oil yield. Also, the oil content of the seeds according to the variants in the years of re-search did not differ significantly. In general, the condition of sunflower plants during the years of re-search before harvesting was satisfactory. At the same time, it should be noted that in 2022 abnormal pre-cipitation affected the quality of sunflower seeds. The analysis of the obtained results indicates the need for further search for optimal ways of using micronutrients to increase the yield of sunflower and its quali-ty. It should also be taken into account the fact that according to economic calculations, the costs of ap-plying micro fertilizers during seed treatment will not exceed 10 rubles/ ha, and with leaf fertilizing they will amount to 1300-2300 rubles/ ha. accordingly.
Published Version
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