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support@fertilizercalc.com
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FAQ
How accurate are the fertilizer calculations?
Our calculations are based on scientific research and provide 90-95% accuracy for general recommendations. For precise applications, we recommend soil testing.
Can I use this for organic farming?
Yes! The NPK requirements remain the same. You can substitute with organic fertilizers with equivalent nutrient content.
Is the calculator free to use?
Absolutely! Our basic calculator is completely free and will always remain so. We believe every farmer should have access to proper fertilization guidance.