FIELD: agriculture.
SUBSTANCE: method of growing lettuce involves growing plants on a nutrient solution in hydroponic conditions by intermittent flooding. Solution for irrigation is treated by means of a pulse current source with power of 15 kW every 16 hours, the number of pulses is 100, while maintaining the value of the redox potential from -15 mV to 50 mV.
EFFECT: increase of lettuce yield.
1 cl, 1 dwg, 1 tbl
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