Nutrient Removal Calculator
Estimate nitrogen (N), phosphorus (P₂O₅), and potassium (K₂O) removal per acre based on crop yield.
Inputs
How It Works
Nutrient Removal =
Yield × Nutrient Removal per Bushel
Uses published crop nutrient removal values.
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FAQ
What is nutrient removal?
Nutrient removal is the amount of nutrients harvested and removed from the field with grain or forage.
Why is removal important?
Replacing removed nutrients maintains soil fertility and long-term productivity.
Do values vary by crop?
Yes. Each crop has different nutrient removal rates per bushel or ton.
Understanding Crop Nutrient Removal
Nutrient removal refers to the amount of nitrogen, phosphorus, and potassium taken off the field in harvested grain or forage. When crops are removed from the field, essential nutrients leave with them. Over time, failing to replace these nutrients can reduce soil fertility and limit yield potential.
This nutrient removal calculator estimates pounds of N, P₂O₅, and K₂O removed per acre based on yield and crop-specific nutrient coefficients. These coefficients are typically derived from university extension data and represent average nutrient content per bushel or ton.
Understanding nutrient removal supports sustainable fertilizer planning, improves nutrient budgeting accuracy, and protects long-term soil productivity. Matching fertilizer applications to crop removal helps optimize input costs while maintaining agronomic balance in modern crop production systems.