The article is devoted to into the study of optimisation process using liquid nitrogen mineral fertilisers based on a carbamide-ammonia mixture, both in serial form CAM-32 and innovative CAM+S (with addition sulfur mesoelement (S)) as top dressing for winter wheat spring during tillering. application was carried out superficially crops with large-drop nozzles rod sprayer “Tuman-2” an injec-tion...