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-Damanguan® is a premium high potassium and high phosphorus water-soluble fertilizer specifically formulated for high-value crop production during critical reproductive growth stages. It is widely used in flower bud differentiation, fruit set, fruit expansion, and ripening stages, where nutrient demand for potassium and phosphorus significantly increases.
The formulation is further enhanced with boron (B) and zinc (Zn) to support reproductive development, pollen vitality, and fruit-setting efficiency. In addition, it contains a synergistic blend of natural plant growth regulators, including ascophyllum nodosum seaweed extract, cytokinins, and gibberellins, which help regulate cell division, promote fruit enlargement, and improve overall crop quality.
This advanced formulation ensures balanced nutrition while enhancing yield quality indicators such as fruit size, sugar accumulation, color uniformity, and dry matter content.
It is suitable for both fertigation (drip irrigation systems) and foliar application, ensuring fast nutrient uptake and high fertilizer use efficiency. The alkaline formulation also provides an additional benefit in improving acidic soils and optimizing rhizosphere pH balance.
Formula | Efficacy |
0-0-55-0.1B-0.1Zn | Promote the accumulation of dry matter in the fruit, optimize the color of the fruit, and promote the accumulation of sugar |
0-45-45-0.1B-0.1Zn | Promote flower bud differentiation,accelerate fruit dry matter accumulation, and promote fruit color change |
0-52-34 | Promote flower bud differentiation,regulate crop growth, and promote fruit expansion |
Delivers concentrated potassium and phosphorus to support fruit expansion, sugar accumulation, and improved crop quality, making it highly effective for flowering, fruit swelling, and ripening stages.
Contains ascophyllum nodosum extract and natural growth regulators that enhance cell activity, balance hormones, and promote stronger flowering and fruit development under stress conditions.
Boron and zinc improve flower fertility, boost pollen vitality, support bud differentiation, and increase fruit set rate with better resistance to physiological disorders.
Fully water-soluble with ultra-low moisture content, suitable for drip irrigation and foliar spraying, ensuring fast absorption and high nutrient use efficiency.
The alkaline formulation helps neutralize acidic soils, improve root environment, and enhance nutrient uptake while maintaining balanced vegetative and reproductive growth.
Enhances potassium-driven fruit expansion, improves coloration, and increases sugar content and dry matter, resulting in better taste and market value.
High phosphorus availability supports flower bud formation, improves flowering uniformity, and increases fruit set efficiency while reducing flower drop.
Accelerates carbohydrate transport to fruits, promotes dry matter buildup, and enhances yield quality during critical fruit development stages.
Improves rhizosphere conditions, reduces soil acidity stress, and enhances root activity for healthier long-term crop growth and stability.
 | 0-0-55 + 0.1B + 0.1Zn⦁ Suitable Crops: Grape, citrus, banana, apple, mango ⦁ Function: Promote dry matter and sugar accumulation, improve color ⦁ Best Timing: Mid to late fruit expansion stage |
 | 0-45-45 + 0.1B + 0.1Zn⦁ Suitable Crops: Tomato, melon, peach, litchi ⦁ Function: Flower bud differentiation and early fruit growth ⦁ Best Timing: Pre-flowering to early fruit set |
 | 0-52-34⦁ Suitable Crops: Strawberry, cherry, mango, dragon fruit ⦁ Function: Regulate growth, promote fruit expansion ⦁ Best Timing: Early to mid fruit expansion stage |
Method | Phenological Period | Dosage | Frequency |
Fertigation (drip/micro spray) | Fruiting period - Fruit expansion period | 5–15 kg/ha | Every 7–10 days |
Foliar Spray | 2–3 kg/ha (Dilute 500-800 times) | Every 10–15 days (Use 2-3 times continuously) |
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.
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.
High phosphorus potassium fertilizer is mainly used to improve flowering, fruit setting, and fruit quality. It enhances sugar accumulation, promotes fruit expansion, and improves color development in crops.
0-0-55 is a high potassium fertilizer typically used during the fruit enlargement and ripening stage. It helps increase sugar content, improve fruit color, and enhance dry matter accumulation.
0-45-45 fertilizer is used during flowering and early fruit setting stages. It promotes flower bud differentiation, supports fruit development, and improves fruit quality and coloration.
0-52-34 contains higher phosphorus and is more focused on root and flower bud development, while 0-45-45 provides a more balanced phosphorus-potassium ratio for flowering and early fruit development.
Yes. High potassium levels help transport sugars within the plant, increasing fruit sweetness, improving taste, and enhancing market quality.
It is suitable for a wide range of crops, including fruit trees (grapes, citrus, apples), vegetables (tomatoes, peppers, cucumbers), and field crops during flowering and fruiting stages.
Yes. High phosphorus content supports flower bud differentiation and improves flowering quality, leading to better fruit set and higher yield potential.
Potassium regulates enzyme activity and sugar transport, which directly improves pigment formation, resulting in better fruit color and appearance.
Yes. This fertilizer is fully water-soluble and suitable for drip irrigation, fertigation systems, and foliar spray applications.
The best time is during flowering, fruit setting, fruit enlargement, and ripening stages, depending on the specific formulation used.
