Pre-sowing treatment of sunflower seeds in a magnetic field

Abstract

Pre-sowing treatment of sunflower seeds in a magnetic field improves its sowing qualities, plant biometrics and yield, which can be explained by increasing the rate of chemical reactions in seeds, solubility of salts and acids, permeability of cell membranes, increased transport of ions, oxygen and water. Based on the obtained analytical dependences and experimentally the regime parameters of sunflower seed treatment and their optimal values was determined: magnetic induction 0.065 T, magnetic field gradient 0.57 T/m (pole division 0.23 m), fourfold re-magnetization, seed velocity 0.4 m/s, which provides energy dose of seed treatment 3.8 J.s/kg. It is established that the change in the biopotential of sunflower seeds can determine the efficiency of their treatment in a magnetic field and determine the change in activation energy, which does not exceed 3.28 kJ/g-eq. Using the optimal parameters of sunflower seed treatment in a magnetic field, an device for pre-sowing treatment of sunflower seeds in a magnetic field was designed and manufactured, the use of which increases germination energy by 28 %, germination by 24 %, sunflower yield by 26 %.