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 Biochar, a carbon-rich material derived from the pyrolysis of organic biomass, has emerged as a promising amendment for mitigating soil salinity stress and enhancing crop resilience. Salinity adversely affects soil structure, water uptake, and nutrient balance, leading to reduced plant growth and yield. The incorporation of biochar into saline soils improves physicochemical properties such as cation exchange capacity, porosity, and water-holding ability. Biochar enhances soil microbial activity, promotes nutrient retention, and buffers pH, thereby creating a more favorable rhizosphere environment. Its porous structure adsorbs excess sodium ions, reducing their bioavailability and facilitating better root function. Furthermore, biochar enhances antioxidant enzyme activity in plants, mitigating oxidative stress induced by salinity. The synergistic use of biochar with organic or microbial amendments further amplifies soil health and crop productivity. Long-term applications not only alleviate salinity but also contribute to soil carbon sequestration, improving sustainability in salt-affected agricultural systems. Thus, biochar serves as a multifunctional tool for restoring soil fertility, enhancing plant tolerance, and supporting sustainable crop production under saline conditions.

#Biochar #SoilSalinity #CropResilience #SustainableAgriculture #SoilRemediation #PlantStressTolerance #SoilHealth #CarbonSequestration #SoilAmendments #EcoFriendlyFarming





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