Over 1 billion hectares of farmland worldwide suffer from salt damage, drastically reducing crop yields. Special fungi called halotolerant endophytic fungi live inside plant tissues and help plants survive salty, alkaline soil conditions without harming them. These fungi work by balancing salt ions in plants, boosting their natural antioxidant defenses, and producing helpful compounds. Research shows they can increase crop yields by 15-40% in salt-affected fields, offering a natural and sustainable solution to one of agriculture’s biggest challenges.