Fertilizer and Nutrients
Fertilizer Blend Nitrogen Calculator
Fertilizer Blend Nitrogen is intended to calculate nitrogen supplied by a fertilizer product. Replace its starting values with the scenario being evaluated.
Enter values for nitrogen supplied
Keep Fertilizer Blend Nitrogen units with their measurements.
Preparing the Fertilizer Blend Nitrogen values
Fertilizer Blend Nitrogen uses Fertilizer product and Nitrogen analysis. The Fertilizer Blend Nitrogen entries share one scope.
- Fertilizer product. Default in Fertilizer Blend Nitrogen: 18 lb.
- Nitrogen analysis. Default in Fertilizer Blend Nitrogen: 0.16.
Testing a change in fertilizer product
If Nitrogen analysis changes during the season, calculate a new scenario instead of adjusting nitrogen supplied mentally.
How Fertilizer Blend Nitrogen performs the calculation
Fertilizer Blend Nitrogen multiplies factors from Fertilizer product and Nitrogen analysis to produce nitrogen supplied.
Using fertilizer product at 18 lb and nitrogen analysis at 0.16, the example returns 2.88 lb N.
In the Fertilizer Blend Nitrogen example, changing Fertilizer product from 18 lb to 19.8 lb produces 3.17 lb N rather than 2.88 lb N.
Use fertilizer product only to compare nitrogen supplied.
Pair fertilizer product with Fertilizer Blend Nitrogen site observations.
Nitrogen supplied: practical constraint
The first bag number is the nitrogen percentage by weight.
Applying the nitrogen supplied result
Keep product density and solution concentration with the calculation when either affects nitrogen supplied.
Using the Fertilizer Blend Nitrogen result
Use Nitrogen supplied to calculate nitrogen supplied by a fertilizer product. Keep the Fertilizer Blend Nitrogen inputs beside the output.
Saving the Fertilizer Blend Nitrogen case
A reproducible Fertilizer Blend Nitrogen case includes Fertilizer product and Nitrogen analysis and Nitrogen supplied.
Note the collection method for fertilizer product and preserve any unrounded source value.
When the outcome is known, compare it directly with nitrogen supplied on the saved basis.
Reproducing nitrogen supplied
Recalculate Fertilizer Blend Nitrogen from the saved fertilizer product and nitrogen analysis. The result should reproduce nitrogen supplied. Potash supplied is available from Fertilizer Blend Potash Calculator.
If fertilizer product changes, preserve the earlier case and label the revision.
Common questions about fertilizer product
How does “The first bag number is the nitrogen percentage by weight.” affect nitrogen supplied?
If it applies, measure fertilizer product for the affected case and run the calculator again.