Fertilizer Blend Calculator

Custom blend proportions for target N-P-K analysis.

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Field size (acres)

Target N (lbs/acre)

Target P₂O₅ (lbs/acre)

How to Use This Calculator

Enter Field Size (acres), Target N (lbs/acre), Target P₂O₅ (lbs/acre), and Target K₂O (lbs/acre) from your soil test recommendation.
Enter the nutrient analysis (N%, P₂O₅%, K₂O%) for up to three fertilizer sources (e.g., urea 46-0-0, DAP 18-46-0, potash 0-0-60).
Review Source A, B, and C (lbs/acre) — these are the rates to apply of each product.
Check Total Product (lbs/acre) and Total Field Quantities (lbs) for each source to size purchases.
Verify the blend meets your targets by comparing Actual Delivered Nutrients to your soil test recommendations.

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