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Polyglutamic acid(PGA, Agriculture grade) (539522)
Details:

Agricultural polyglutamic acid is a green environmentally-friendly fertilizer synergist that can increase fertilizer utilization from 30-35% to 40-50%, with an average utilization increase of 7-12% in nitrogen fertilizer, an average increase of 10-25% in crop yield and even 60% in some crops. Major strengths are listed as follows.
1. Rich nutrients that improve utilization;
2. Long-term slow release;
3. Improve soil physical and chemical properties;
4. Improve crop quality and yield;
5. Environmental friendly.

Specifications

Appearance

Yellow to off white powder with a few agglomeration

Assay(HPLC)

≥25%

Loss on drying(105°C, 2h)

≤6%

pH(10g/L, 25°C)

4.0-8.5

Heavy metals(Pb, mg/kg)

≤20

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