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China Factory Suppliers of Controlled Release NPK Compound Fertilizer for Optimal Crop Growth and Yield Enhancement
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China Factory Suppliers of Controlled Release NPK Compound Fertilizer for Optimal Crop Growth and Yield Enhancement

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Controlled release fertilizers are essential for optimizing nutrient delivery throughout the crop growth cycle, ensuring increased yields and minimizing nutrient loss. As a leading player among China suppliers, our fertilizers are engineered to release nutrients steadily, matching the precise requirements of crops during each growth phase. This means no more worries about excessive salt harming seedlings or insufficient nutrients during maturation. With our controlled release fertilizer, a single application suffices, streamlining the fertilization process and significantly reducing costs.

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Our factory employs innovative techniques to enhance nutrient utilization efficiency (NUE), allowing crops to thrive while using less fertilizer. This results in a consistent growth pattern and even greater yields. By choosing our controlled release fertilizers, you’re not only investing in your crops’ health and productivity but also in sustainable agricultural practices. Experience how our China-manufactured fertilizers can support your farming needs and elevate your crop quality.

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    Key Benefit

    Product Description

    1. Promote absorption and resistance

    Improve root adhesion, increase trace element absorption, prevent crop deficiencies, and enhance crop photosynthesis.

    2. Reasonable nutrition formula

    The nitrogen, phosphorus, and potassium ratio is reasonable, the particles are uniform, the nutrient content is sufficient, and the fertilizer effect is more durable.

    3. Increase production and income

    The quality is excellent, the quality of agricultural products is good, and the effect of increasing crop yield is remarkable.

    • Available in low chloride (potassium from SOP) or MOP base
    • Fast acting Nitrogen source from ammonium and nitrate
    • Perfect granular (90 % granules within 1-4 mm) High available phosphate (80 % water-soluble)
    • Even nutrients in each granular
    Controlled-release compound fertilizer (1)

    Improve corn nutrient absorption, reduce bare tip rate, increase yield.

    Controlled-release compound fertilizer (2)

    The average yield increase 8.3%, 9.8% and 12.5% on corn, rice and tomato accordingly

    Specification

    Total-N% NO3 % NH4 % UREA-N% P2 O5 % K2 O%
    14 4.6 9.4 14 14
    14 4.6 9.4 14 14
    14 4.6 9.4 14 14
    13 4 9 13 13
    20 7 13 8 10
    20 7 13 8 10
    19 7 12 7 9
    18 6.3 11.7 7 8
    18 6.3 11.7 7 8
    14 4.6 9.4 5 23
    13 4 9 4 22
    13 4 9 4 22
    13 4 9 4 22

    Usage Scenarios

    Scenario 1
    High-Value Horticulture

    Widely used for container-grown plants (nursery stock, ornamentals, vegetables), greenhouse crops, and turfgrass (golf courses, sports fields, lawns) where precise nutrition and reduced labor are critical.

    Scenario 2
    Large-Scale Field Crops

    Increasingly adopted for staple crops like corn, rice, and wheat, especially in regions prone to leaching or where labor costs are high, improving efficiency and yield stability.

    Scenario 3
    Sandy Soils & High Rainfall Areas

    Particularly beneficial in soils with low nutrient retention or areas with heavy rainfall, where conventional fertilizers are easily washed away.

    Scenario 4
    Long-Season Crops & Perennials

    Ideal for fruit trees, vineyards, and other crops with extended growing seasons needing sustained nutrition.

    Scenario 5
    Precision Agriculture & Reduced Access Areas

    Useful where frequent field access for top-dressing is difficult, expensive, or undesirable. Simplifies fertilization programs.

    Frequently Asked Questions

    How does this controlled-release fertilizer improve crop yield?
    It improves root adhesion and increases trace element absorption while enhancing photosynthesis. Tests show an average yield increase of 8.3% on corn, 9.8% on rice, and 12.5% on tomatoes.
    What are the available potassium bases for this fertilizer?
    Our fertilizer is available in either a low chloride base (with potassium sourced from SOP) or a standard MOP base to suit different crop requirements.
    What makes the granular physical properties of this product superior?
    It features perfect granules, with 90% of them sized precisely between 1-4 mm, ensuring even nutrient distribution in each granule and a highly available water-soluble phosphate rate of 80%.
    Is this fertilizer suitable for areas with heavy rainfall?
    Yes. It is particularly beneficial for sandy soils with low nutrient retention and high rainfall areas where traditional fertilizers are easily lost to leaching.
    Can it be used in precision agriculture?
    Absolutely. It simplifies fertilization programs and is ideal for areas where frequent field access for top-dressing is difficult, expensive, or restricted.