Аннотация
The study was conducted in northern Kazakhstan at a precision farming test site in the Shortandinsky district of the Akmola region. It evaluated the effects of foliar treatments with the polymer fertilizer Vitanoll-NP and the humic preparation Stimulife on spring wheat yield, crop structure, and nutrient accumulation under drought conditions. Plant growth and development were assessed using ground-based observations and Earth remote sensing data obtained from Sentinel-2 imagery and unmanned aeri