CRF Timer
Manage and plan your crop cycle using controlled release fertilizer calculator
Fill in the following information to calculate the nutrients available from your CRF.
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User current location
Choose longevity
I have read and accept the disclaimer*
These digital agronomic tools are provided for general information and decision-support only. Results depend on your inputs and local conditions and should be independently validated before use. Provided 'as is'. Read the full Disclaimer
Calculation results
Based on typical temperature for the chosen location, related to the coated nutrient % only
Monthly Release
Cumulative percentage (%)
Weather data is provided by Open-Meteo.
For more information: open-meteo.com
For more information: open-meteo.com
Our Controlled Release Fertilizers Experts
Feel free to reach out with any question