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The extensive use of chemical fertilizers to increase crop yields in agricultural fields has had a negative impact on the environment. To produce more food on less land and fulfill the growing global demand for food, farmers will need innovative and environmentally friendly technology. Several studies have cited the positive effects of plasma-activated water (PAW) on seeds in their research findings. This study investigates the effects of PAW on four distinct seed species: phapar (Fagopyrum esculentum), barley (Hordeum vulgare), mustard (Brassica nigra), and rayo (Brassica juncea). Deionized (DI) water was treated for 5 or 10 min using the gliding arc discharge (GAD) system, which was operated by line frequency in the air. Water analysis indicates that the physiochemical parameters (electrical conductivity, pH, nitrate, nitrite, and ammonia concentration) of PAW were significantly different from DI water. Despite exposure to GAD for a certain period of time, the temperature of DI water did not alter significantly. All calculated germination parameters were significantly enhanced for seeds treated with PAW compared to the control. In addition, they displayed a significant increase in total seedling length and exhibited greater vigor. Seeds immersed in PAW absorbed significantly more water than seeds soaked in DI water, enabling rapid water penetration into the seed and early seedling emergence. This puts plasma agriculture ahead of conventional farming methods. |
