CONTROLLED RELEASE
FERTILIZER TECHNOLOGY
Smart Nutrient Release for Higher Efficiency,
Better Crop Performance, and
Sustainable Agriculture
coating systems with precision nutrient engineering to synchronize
nutrient release with crop demand, improving fertilizer efficiency
while reducing nutrient losses and environmental impact.
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Home » Technology » Controlled Release Technology
What Is Controlled Release Fertilizer Technology?
Controlled Release Fertilizer (CRF) is a type of coated fertilizer in which nutrients are encapsulated within a durable polymer coating. The coating precisely regulates nutrient release based on soil moisture and temperature, synchronizing nutrient availability with crop demand to improve nutrient use efficiency, reduce nutrient losses, and support sustainable crop production.
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Polymer Coating A protective membrane surrounds the nutrient core.
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Controlled Release Water penetrates the coating and dissolves nutrients inside.
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Plant Uptake Nutrients are gradually released and taken up by plats.
HOW IT WORKS
1
Application
2
Soil Moisture Penetrates
3
Nutrients Dissolve
4
Pressure Builds
5
Controlled Diffusion
1
Continuous Plant Uptake
Unlike conventional fertilizers that release nutrients all at once, CRF gradually releases nutrients based on soil temperature, moisture, and coating thickness.
Key Advantages of Risso Controlled Release Technology
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Higher Nutrient Use Efficiency Deliver nutrients precisely when crops need them, improving nutrient uptake and fertilizer efficiency.
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Reduced Nutrient Loss Minimize nutrient leaching, volatilization, and runoff for more effective fertilizer utilization.
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Longer Nutrient Availability Provide continuous nutrient supply throughout the growing season.
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Fewer Fertilizer Applications Reduce application frequency, lower labor costs, and improve overall farm management efficiency.
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Better Crop Uniformity Promote consistent crop growth, balanced development, and improved yield and harvest quality.
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Environmentally Responsible Improve fertilizer efficiency while reducing environmental impact.
Polymer Coating Technology
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High-quality polymer materials ensure coating strength and flexibility.
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Uniform coating thickness ensures consistent and predictable nutrient release.
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Advanced membrane technology precisely controls nutrient diffusion.
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Multiple coating formulations are available for different release periods and crop requirements.
Release Longevity Options
| Release Period | Recommended Applications |
|---|---|
| 30–60 Days | Vegetables |
| 60–90 Days | Corn |
| 90–120 Days | Rice |
| 120–180 Days | Fruit Trees |
| Customized | Specialty Crops |
Product Portfolio
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Controlled Release Urea Polymer-coated urea for improved nitrogen use efficiency. -
Controlled Release NPK Balanced nutrition with extended nutrient release. -
Controlled Release Compound Fertilizer Multiple nutrients for comprehensive crop nutrition. -
Polymer-Coated Fertilizer Custom formulations with different nutrient release periods.
WIDE APPLICATIONS
WHY CHOOSE RISSO?
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Advanced Polymer Technology Innovative coating technology for precise nutrient release.
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Strict Quality Control Advanced testing and quality assurance for every batch.
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Stable Performance Consistent nutrient release performance under diverse conditions.
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Customized Solutions Various release periods and formulations to meet different crop requirements.
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OEM & Private Label Support Flexible cooperation for global partners.
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Global Export Experience Reliable supply and professional service to customers worldwide.
Frequently Asked Questions
Controlled release fertilizer (CRF) uses advanced polymer coating technology to release nutrients gradually over a designed period, improving nutrient use efficiency and supporting consistent crop growth.
Soil moisture penetrates the polymer coating, dissolves the nutrients inside the granule, and releases them gradually according to soil temperature and moisture conditions.
Controlled release fertilizers provide predictable nutrient release through polymer coating, while slow release fertilizers rely on natural decomposition and offer less precise nutrient delivery.
Nutrient release depends mainly on soil temperature, moisture, coating thickness, and the designed release period, ensuring stable nutrient availability throughout the growing season.
Controlled release fertilizer improves nutrient use efficiency, reduces nutrient loss, lowers application frequency, and promotes healthier crop growth with more consistent nutrient availability.
Controlled release fertilizer is widely used for field crops, vegetables, fruit trees, greenhouse crops, turf, and ornamental plants requiring long-lasting nutrient supply.
Yes. Risso offers customized release periods, typically ranging from 30 to 180 days, to match different crops, climates, and growing conditions.
Controlled release fertilizers are mainly applied to the soil. For fertigation systems, Water Soluble Fertilizers or Liquid Fertilizers are generally the preferred solutions.
Yes. Controlled release technology minimizes nutrient losses caused by leaching, volatilization, and runoff, improving fertilizer efficiency and supporting sustainable agriculture.
Risso combines advanced polymer coating technology, strict quality control, and customized nutrient solutions to deliver reliable controlled release fertilizers for modern crop nutrition.
Ready to Improve Fertilizer Efficiency?
customized nutrient solutions, and reliable global supply for modern agriculture.
