Jan. 16, 2026
Soy Amino Acid Liquid Fertilizer is a plant-derived liquid amino acid biostimulant, produced through enzymatic hydrolysis or fermentation of soybean protein. It provides readily available free amino acids that enhance plant metabolism, nutrient uptake, and stress tolerance.
As global agriculture shifts toward sustainable, eco-friendly, and high-efficiency fertilizers, soy amino acid liquid fertilizer has become a preferred solution for fruits, vegetables, field crops, and greenhouse cultivation.
Compared with synthetic fertilizers, soy-based amino acids are natural, biodegradable, and highly compatible with modern fertilization systems.

Soy amino acid liquid fertilizer is a concentrated liquid formulation rich in L-amino acids, peptides, and organic nitrogen derived from soybeans.
100% plant-based amino acid source
Fast absorption through leaves and roots
Acts as both nutrient carrier and biostimulant
Compatible with fertilizers, micronutrients, and pesticides
Unlike animal-derived amino acids, soy amino acid liquid fertilizer is odor-free, stable, and widely accepted in international markets.
Free amino acids chelate micronutrients such as calcium, magnesium, iron, and zinc, improving nutrient availability and transport inside plants.
Stimulates root development, chlorophyll synthesis, and enzyme activity, resulting in stronger plants and faster growth.
Helps crops recover from:
Drought stress
Heat and cold stress
Salinity
Transplant shock
Increased fruit size and uniformity
Better color and taste
Higher sugar accumulation
Extended shelf life
| Item | Specification |
|---|---|
| Total Amino Acids | ≥ 30% – 50% |
| Free Amino Acids | ≥ 25% |
| Organic Nitrogen | 4% – 8% |
| pH | 4.5 – 6.5 |
| Appearance | Brown liquid |
| Solubility | 100% water soluble |
| Raw Material | Soybean protein |
Formulations can be customized according to crop type and market needs.
Soy amino acid liquid fertilizer is suitable for multiple application methods:
Fast absorption and visible results
Dosage: 200–500 ml per 100 L water
Improves nutrient efficiency
Ideal for greenhouse and precision agriculture
Enhances microbial activity
Improves soil structure and fertility
Fruits: apple, citrus, grape, strawberry, banana
Vegetables: tomato, pepper, cucumber, leafy greens
Field crops: corn, wheat, soybean, cotton
Horticulture: flowers, turf, nursery plants
| Feature | Soy Amino Acid Liquid | Synthetic Nitrogen |
|---|---|---|
| Absorption Speed | Very fast | Medium |
| Nutrient Efficiency | High | Moderate |
| Environmental Impact | Eco-friendly | Higher residue |
| Stress Resistance | Strong | Limited |
| Soil Health | Improves | May degrade |
As a professional soy amino acid liquid fertilizer manufacturer, production involves:
Selection of high-quality soybean protein
Enzymatic hydrolysis or fermentation
Filtration and concentration
Quality control and stabilization
Liquid formulation and packaging
This process ensures high free amino acid content and consistent quality.
Plant-based & sustainable
Suitable for organic and conventional agriculture
Safe for crops and soil microorganisms
Compatible with chelated micronutrients and NPK fertilizers
It is widely used as:
Amino acid biostimulant
Organic nitrogen source
Fertilizer efficiency enhancer
We provide:
Bulk soy amino acid liquid fertilizer
OEM / private label service
Customized amino acid concentration
Compound formulations with calcium, magnesium, zinc, or micronutrients
Serving distributors, importers, and agricultural brands worldwide.
Q1: Is soy amino acid liquid fertilizer suitable for organic farming?
Yes, it is plant-derived and suitable for sustainable and organic-oriented agriculture.
Q2: Can it be mixed with other fertilizers?
Yes, it is compatible with most fertilizers and agrochemicals. A jar test is recommended.
Q3: Does it contain hormones?
No, it contains no plant hormones or synthetic growth regulators.
Q4: What is the shelf life?
Typically 24 months under proper storage conditions.
If you are looking for a high-quality soy amino acid liquid fertilizer with stable performance, competitive pricing, and OEM support, we are ready to cooperate.
Contact us to request:
Technical data sheet
Samples for field testing
OEM quotation
Long-term supply partnership
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