Pre-Sowing Treatment of Leguminous Crop Seeds with a Magnetic Field

Pre-sowing treatment of seeds in a magnetic field can increase crop yields, reduce the incidence of plants and improve product quality.

Research purpose To analyze the mechanism of the magnetic field influence on seeds, determine the most effective mode of pre-sowing treatment of leguminous crop seeds in a magnetic field and design parameters of the equipment.

Materials and methods The authors have determined that under the influence of a magnetic field, the rate of chemical and biochemical reactions in plant cells increases, the transport of ions and molecules through the cell membrane increases, and the membrane permeability increases, so the sowing qualities of seeds improve and their yield increases. Experimental studies were carried out with seeds of "Adagumsky" peas variety and "Gribovsky" beans variety, using the experiment planning method. Magnetic induction and the velocity of seed movement in a magnetic field were taken as influencing factors.

Results and discussion With a change in the magnetic induction from 0 to 0.065 T, the germination energy, germination, biometric indicators, and the yield of peas and beans increase, while with further increase in magnetic induction they decrease. It has been revealed that the use of four-time magnetization reversal enhances the effect of magnetic seed treatment. The velocity of seeds is a less significant factor than magnetic induction. The most effective treatment mode occurred at an energy dose of 1.90 J·s/kg for peas and 1.86 J·s/kg for beans, which is provided for a pole division of 0.23 metre. The authors have designed a plant for pre-sowing treatment of seeds in a magnetic field, which consists of four pairs of magnets installed in parallel above and below the conveyor belt with variable polarity.

Conclusion The most effective pre-sowing treatment of leguminous crop seeds in a magnetic field is a magnetic induction of 0.065 T with fourfold reversal and a conveyer movement speed of 0.4 metre per seconds, which provides an increase in peas yield by 42 percent, and that of beans – by 23 percent.

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