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China NPK 15-15-30+TE Water-Soluble Fertilizer Suppliers - High-Potassium Fertilizer from Factory for Fruit Development
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China NPK 15-15-30+TE Water-Soluble Fertilizer Suppliers - High-Potassium Fertilizer from Factory for Fruit Development

Introducing our premium high-potassium **NPK 15-15-30+TE** water-soluble fertilizer, specially formulated with chelated micronutrients to promote optimal fruit development. This product is crafted for suppliers and manufacturers seeking to enhance crop yield, improve color, and boost sweetness in fruits. Sourced from a reliable factory in China, our fertilizer ensures that you achieve high-performance results in your agricultural endeavors. Ideal for those aiming to maximize productivity, our NPK fertilizer is your solution for successful crop production

    Product Overview

    NPK 15-15-30+TE Water-Soluble Fertilizer is a high-potassium formula developed for fruiting and quality improvement stages. With elevated potassium content, it plays a key role in fruit enlargement, sugar accumulation, and color development, making it widely used in high-value crops and intensive farming systems.

    Manufactured using high-purity raw materials such as monoammonium phosphate (MAP), monopotassium phosphate (MKP), and potassium nitrate, the product ensures complete water solubility, fast dissolution, and zero insoluble residue, allowing safe and efficient use in drip irrigation, foliar spraying, and fertigation systems.

    The formula is enriched with chelated trace elements (EDTA-Fe, Mn, Zn, Cu, plus B and Mo), supporting balanced plant nutrition and reducing the risk of physiological disorders caused by nutrient deficiencies.

    With its mildly acidic solution, this fertilizer improves nutrient availability and uptake efficiency, contributing to better crop performance, improved fruit quality, and higher market value.


    Composition and Nutrient Content

    Product Name: NPK 15-15-30+TE  |  Type: High Potassium Water-Soluble Fertilizer

    🧪 Guaranteed Analysis
    Total Nitrogen (N):  15.0%
    Ammoniacal Nitrogen (NH₄⁺-N):  3.0%
    Nitrate Nitrogen (NO₃⁻-N):  8.6%
    Ureic Nitrogen (NH₂-N):  3.4%
    Available Phosphorus (P₂O₅):  15.0%
    Soluble Potassium (K₂O):  30.0%
    🔬 Micronutrients (Chelated & Trace Elements)
    Iron (Fe-EDTA):  1000 ppm
    Manganese (Mn-EDTA):  500 ppm
    Zinc (Zn-EDTA):  150 ppm
    Copper (Cu-EDTA):  110 ppm
    Boron (B):  200 ppm
    Molybdenum (Mo):  70 ppm
    Key Features
    • High potassium content for plant development
    • 100% water-soluble, no residue
    • Chelated micronutrients for improved absorption
    • Free from chloride, sodium, and harmful substances
    • Weakly acidic solution for better nutrient uptake
    • High purity, suitable for precision agriculture systems

    Application Scenarios

    🍎 1. Fruit Development & Quality Improvement
    • Promotes fruit enlargement and weight gain
    • Enhances sugar content, color, and appearance
    • Improves overall fruit quality and market value
    🛡️ 2. Prevention of Physiological Disorders
    • Reduces risks of fruit cracking
    • Reduces risks of blossom-end rot
    • Prevents poor coloring and premature fruit drop
    • Supports balanced nutrient supply during critical growth stages
    💧 3. Fertigation & Irrigation Systems
    • Suitable for drip irrigation and sprinkler systems
    • Recommended dilution: 1000–2000 times, applied every 7–10 days
    • Clean dissolution prevents clogging and ensures uniform nutrient delivery
    🌱 4. Soil & Foliar Application
    • Can be applied through fertigation, soil drenching, or foliar spraying
    • Rapid nutrient absorption for high-efficiency feeding

    Packaging Options

    • 25 kg standard bags
    • OEM/ODM customized packaging available upon request

    Product Positioning

    NPK 15-15-30+TE is positioned as a high-performance potassium-rich fertilizer for growers aiming to maximize crop quality, improve plant characteristics, and increase yield consistency.

    It is especially suitable for:

    🌿 Plant producers targeting premium markets 🏠 Greenhouse & intensive farming systems 🎨 Color, taste & shelf life improvement
    💡 With its high potassium ratio and balanced micronutrient support, this product delivers strong crop performance, enhanced fruit quality, and reliable results across different growing conditions.

    Frequently Asked Questions

    What makes NPK 15-15-30+TE different from standard NPK fertilizers?
    NPK 15-15-30+TE features a significantly elevated potassium (K₂O) content of 30%, combined with balanced nitrogen and phosphorus, plus a full suite of EDTA-chelated micronutrients. This makes it specifically optimized for the fruiting and ripening stages, where potassium demand is highest for sugar accumulation, color development, and fruit quality improvement.
    Is NPK 15-15-30+TE safe to use in drip irrigation systems?
    Yes. The product is manufactured from high-purity raw materials and is 100% water-soluble with zero insoluble residue. It dissolves completely and cleanly, preventing emitter or nozzle clogging in drip irrigation, sprinkler, and fertigation systems.
    What is the recommended application rate and frequency?
    For fertigation and drip irrigation, a dilution of 1000–2000 times is recommended, applied every 7–10 days during the fruiting and quality improvement stages. Application rates may vary depending on crop type, growth stage, and soil conditions — always consult local agronomic guidelines for precise recommendations.
    Can NPK 15-15-30+TE be used for foliar spraying?
    Yes. In addition to fertigation and soil drenching, this fertilizer is suitable for foliar application. Foliar spraying enables rapid nutrient absorption directly through the leaf surface, providing a fast-acting nutritional boost during critical crop development periods.
    Why are chelated micronutrients (EDTA) included in the formula?
    Chelated micronutrients (EDTA-Fe, Mn, Zn, Cu) remain stable and plant-available across a wide pH range, unlike non-chelated forms which can precipitate or become locked in the soil. This ensures reliable uptake of essential trace elements, reducing the risk of deficiency symptoms and supporting overall plant health.
    Is customized or OEM packaging available for this product?
    Yes. In addition to the standard 25 kg bag format, OEM and ODM customized packaging solutions are available upon request. This makes NPK 15-15-30+TE suitable for distributors, retailers, and private-label brands looking to offer this high-performance fertilizer under their own product line.