T: +86-400-0987187
E: info@sdjinmai.com
E: info@sdjinmai.com
No. 6888 Jiankang East Street, High-tech Zone, Weifang, Shandong, China
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JINMAI-Defender® No.2 Amino Acid Phosphoramidate Fertilizer is a high-efficiency liquid biostimulant fertilizer combining amino acids, potassium phosphite, NPK nutrients, manganese (Mn), and zinc (Zn) to improve crop nutrition, plant vitality, and fruit quality. Designed for modern fertigation systems, it provides targeted nutrient support during critical growth stages such as flowering, fruit setting, fruit expansion, and ripening.
Powered by the advanced AMIX formula, the product uses free amino acids as natural nutrient carriers to enhance the absorption and transportation of phosphorus and potassium into active plant tissues. With 100 g/L free amino acids, 260 g/L P₂O₅, and 120 g/L K₂O, it promotes sugar synthesis, carbohydrate movement, fruit enlargement, sweetness improvement, and better fruit appearance.
The potassium phosphite-based formula also activates the plant's natural defense response, helping strengthen disease resistance and improve crop stress tolerance. Combined with manganese and zinc, it supports enzyme activity, reproductive development, and overall crop performance.
JINMAI-Defender® No.2 is specially developed for drip irrigation (fertigation), providing efficient nutrient delivery and improved fertilizer utilization for fruit crops, vegetables, and high-value agricultural production.
| Formula | N 30g/L, P2O5 260g/L, K2O 120g/L, Mn 2g/L, Zn 2g/L, Free amino acid 100g/L |
| Appearance | Brown Turbid Liquid |
Release Type | Quick |
Model Number | 4L |
Density | 1.20 g/ml |
pH (1:250) | 6.5±0.5 |
Characteristic | 100% Water Soluble |
Function | Enhance Fruit Quality, Strengthen Anti-Falling Ability, and Boost Crop Stress Resistance |
Application | Fruit Trees, Vegetables, Berries, Field Crops |
| Origin | Shandong, China |
| OEM&ODM | Logo, Label, Formula, Package Customized |
The combination of amino acids, phosphorus, potassium, and micronutrients improves nutrient absorption efficiency, accelerates plant metabolism, and supports balanced crop development.
Potassium phosphite and amino acids enhance carbohydrate synthesis and transportation, increasing fruit sweetness, firmness, coloration, and commercial value.
Phosphite activates crop defense responses, helping reduce disease pressure and improving tolerance against unfavorable growing conditions.
Amino acids support reproductive growth by improving pollen activity, increasing fruit-setting rates, and promoting more uniform crop development.
 | Fruit Crops⦁ Suitable Crops: Grapes, Citrus, Apples, Pears, Mangoes, Strawberries, Blueberries ⦁ Function: Enhances fruit expansion, sweetness, coloration, firmness, and storage quality. |
 | Vegetable Crops⦁ Suitable Crops: Tomato, Pepper, Cucumber, Eggplant, Melon crops ⦁ Function: Improves flowering, fruit setting, stress resistance, and yield quality. |
 | Field Crops⦁ Suitable Crops: Potato, Cotton, Soybean, Corn ⦁ Function: Supports root development, improves plant vigor, and enhances resistance during key growth stages. |
Method | Phenological Period | Dosage | Frequency |
| Drip Irrigation | Vegetative growth, pre-flowering, and fruit development stages | 1-2 L/ha | Every 10–15 days |
Note: The specific usage and dosage can be adjusted according to the differences in regions, crop types, yields, etc, under the advice of technical personnel.
Pre-Flowering Stage: Enhance flower development and pollen tube germination.
Flowering and Fruit Set: Increase fruit set rate and promote sugar synthesis.
Fruit Development: Improve fruit firmness, sweetness, and disease resistance.
Stress Periods: Apply during drought, disease outbreaks, or other stress conditions to boost crop immunity.
1. Mixing Order: When combining with other products, follow this sequence: water → this product → other products.
2. Compatibility: Compatible with most pesticides. Always conduct a compatibility test before first use.
3. Storage: Store in a cool, well-ventilated place, away from direct sunlight.
4. Safety: Keep out of reach of children; Not for human or animal consumption; In case of eye contact, rinse thoroughly with water and seek medical attention immediately.
Amino Acid Phosphoramidate Fertilizer is a specialized liquid fertilizer that combines amino acids with phosphorus and potassium nutrients to improve nutrient absorption, crop metabolism, and plant growth performance. It provides both nutritional support and biostimulant effects for higher crop productivity.
Potassium phosphite provides highly available phosphorus nutrition and can stimulate plant defense responses. It helps improve crop resistance, enhance root activity, support healthy growth, and increase tolerance against environmental stress.
Traditional phosphate fertilizers mainly provide phosphorus as a nutrient source, while phosphite fertilizers can provide both phosphorus-related nutrition and plant defense stimulation. Phosphite compounds are commonly used in agricultural biostimulants to support crop immunity and stress management.
Yes. Amino acids help regulate plant metabolism and improve nutrient transportation. When combined with potassium, they promote carbohydrate synthesis and sugar accumulation, which can improve fruit sweetness, color, and overall quality.
This fertilizer is suitable for a wide range of crops, especially fruit trees, vegetables, grapes, citrus, tomatoes, peppers, melons, berries, and other high-value crops that require improved fruit quality, flowering, and stress resistance.
The optimal application periods include:
Flower bud differentiation stage
Flowering and fruit-setting stage
Fruit expansion stage
Fruit coloring and ripening stage
Applying during these critical growth stages helps maximize fruit quality and yield improvement.
Yes. It is compatible with many conventional fertilizers and crop nutrition programs. However, a small compatibility test is recommended before mixing with strong alkaline products or calcium-containing fertilizers.
