Cold plasma: A green technology for improving legume productivity

Cold plasma technology represents a groundbreaking innovation in sustainable agriculture, particularly for optimizing the germination dynamics, physiological vigor and resilience of leguminous crops. As a non-thermal ionized gas, cold plasma induces intricate physicochemical modifications in seed architecture, enhancing surface hydrophilicity, permeability and imbibition kinetics. These transformations expedite germination, activate key enzymatic cascades and fortify antioxidative defense mechanisms, thereby bolstering legume adaptation to environmental stressors. Furthermore, cold plasma has been shown to regulate gene networks associated with stress tolerance, nitrogen assimilation and metabolic efficiency, culminating in improved plant vigor and yield stability. Beyond seed enhancement, cold plasma serves as an eco-compatible strategy for microbial decontamination, effectively neutralizing phytopathogens on legume seeds without compromising viability. It also extends post-harvest longevity by mitigating spoilage and oxidative degradation. Recent advancements have leveraged cold plasma in synergy with nanotechnology to facilitate targeted nutrient delivery, while its integration with magnetic field exposure has demonstrated enhanced metabolic activation and water absorption in leguminous seeds. Additionally, machine learning applications are refining plasma treatment protocols, enabling precise optimization tailored to specific crop requirements. As a transformative and environmentally sustainable agronomic tool, cold plasma holds profound implications for advancing legume cultivation while reducing reliance on chemical inputs. Its capacity to enhance seed vigor, stress tolerance and crop productivity underscores its potential as a pivotal innovation in climate-resilient, high-efficiency agricultural systems. Further exploration and technological refinement will unlock new frontiers, establishing cold plasma as a cornerstone of modern legume agronomy.