Abstract
The research aims to study the process of stimulation and the selecting of optimal modes of seed treatment with ultrasonic exposure. Increasing the yield of grain crops will provide the population with high-quality agricultural products and providing livestock breeding with a full-fledged feed base. Previous studies related to the pre-sowing stimulation of barley seeds with ultrasonic exposure to improve the sowing quality made it possible to assert an increase in the increase in seed weight by 10 to 12%. The optimal modes of their processing were the ultrasound frequency f =48 kHz, the oscillations intensity S=42 W/cm², and the exposure time t=480 sec. Ultrasonic vibrations change the Physico-chemical properties of seeds, the permeability of the cell membranes significantly increases, leading to accelerated swelling of the seeds, breathing intensifies, the metabolic process is activated; some enzymatic processes are activated while simultaneously inhibiting other enzyme systems and the sowing qualities of seeds change.
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