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Poly gamma glutamic acid (γ-PGA)
γ-PGA, a polyamino acid consisting of L- and D-glutamic acids linked by γ-amide bonds, to enhance the utilization rate of fertilizers.

 

The effect
γ-PGA enhances the ability of plants to absorb nutrients;
γ-PGA promoting plant growth.
γ-PGA synergistically improves the utilization of fertilizers and promotes nitrogen metabolism γ-PGA also induces an influx of extracellular Ca²⁺ and Ca²⁺ in organelles into the cytoplasm, increasing Ca²⁺-ATPase levels in plant cells.
γ-PGA has excellent antifreeze activity to protect plant from undesirable deterioration caused by freezing and thawing