New Advances of Silicon in the Soil-Plant System

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Recent advances in the understanding of silicon in the soil–plant system highlight its emerging role as a beneficial element for sustainable agriculture and environmental resilience. Although not classified as an essential nutrient for most crops, silicon significantly enhances plant growth, productivity, and stress tolerance. Modern research reveals that silicon improves soil physical properties by promoting aggregation, enhancing water retention, and reducing nutrient leaching, thereby creating a more favorable root environment. In plants, silicon uptake and transport mechanisms have been clarified at the molecular level, with the identification of specific silicon transporter genes that regulate its accumulation in roots and shoots. Silicon deposition in plant tissues strengthens cell walls, improves mechanical stability, and enhances resistance against pests, diseases, drought, salinity, heavy metal toxicity, and temperature extremes. Advances in nano-silicon fertilizers and silicate-based soil amendments have further improved silicon bioavailability and use efficiency, offering innovative solutions to enhance crop performance while reducing dependence on chemical inputs. Additionally, silicon-mediated interactions with soil microorganisms are gaining attention, as silicon can indirectly stimulate beneficial microbial activity and improve nutrient cycling. These developments position silicon as a key component in climate-smart agriculture, supporting sustainable crop production under increasing environmental stresses.

#SiliconInAgriculture #SoilPlantInteractions #SiliconNutrition #SustainableSoils #CropStressTolerance #ClimateSmartAgriculture #SoilHealth #PlantResilience #NanoSilicon #EcoFriendlyFarming #WorldResearchAwards

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