Core Functionalities of γ-Polyglutamic Acid (γ-PGA)
- Superior Water Retention & Drought Resistance: Its molecular structure, rich in hydrophilic groups, forms a hydrocolloid within the soil. This significantly enhances water-holding capacity and minimizes evaporation.
- Controlled Release & Nutrient Efficiency:
- Metal Ion Chelation: γ-PGA chelates essential micronutrients such as Calcium, Magnesium, and Iron, preventing nutrient leaching or soil fixation.
- NPK Optimization: It reduces nitrogen volatilization while improving the uptake and utilization of phosphorus and potassium fertilizers.
- Soil Remediation & Health:
- Structural Improvement: Promotes the formation of soil aggregate structures, leading to better aeration and porosity.
- Salinity Mitigation: Utilizing its anionic properties, it neutralizes soil alkalinity and alleviates salt-induced root damage.
- Root System Development: Visibly stimulates crop root growth and increases root density, enhancing natural resistance to pests and diseases.
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