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: 0.5 kg, 5 kg, 25 kg, aluminum foil package, with personalized demand to be met.