FIELD: agriculture. SUBSTANCE: method involves exposing seeds and roots to low-frequency electric field, which is created by bipolar variable frequency in the form of harmonic oscillation errands with envelope shaped as rectangular pulses or sequence of bipolar pulses, for 1-180 min. Amplitude of pulses or errands envelope is set within the range of 0.5-120 kV/m, sequence frequency - 100-1,000 Hz or 5-50 kHz, time ranging from 0.5 to 9.5 msec or from 0.01 to 0.1 msec, respectively, harmonic oscillation frequency from 5 to 25 or from 250 to 500 kHz, respectively. EFFECT: increased efficiency and improved quality of treated seeds or roots. 2 cl, 8 tbl
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