Resources
Fertilizer pricing guides & comparisons
Plain-language guides and comparisons for putting fertilizer quotes on the same basis: cost per pound of nutrient, cost per acre, freight, DAP vs MAP, urea vs UAN, and the public data behind it. Everything here is about comparing prices fairly — not agronomic advice, and never a recommended rate.
Guides
How to put quotes on the same basis and turn prices into per-acre and per-pound figures.
How to compare fertilizer quotes
A plain-language method for comparing fertilizer quotes on the same basis: cost per pound of actual nutrient, delivered to your farm. Includes formulas and a worked example.
ReadHow to calculate fertilizer cost per acre
How to turn a fertilizer price and a planned application rate into a cost per acre, with the formula, a worked example, and where freight fits in.
ReadHow to calculate cost per pound of nitrogen
Compare nitrogen fertilizers fairly by converting price per ton or gallon into cost per pound of actual nitrogen. Includes the formula and a comparison table.
ReadHow freight affects your real fertilizer cost
Why the delivered (landed) cost — plant price plus freight to your farm — is the number that decides which fertilizer quote is really cheapest. Includes a worked example.
Read
Comparisons
How common fertilizer products line up against each other on cost and handling.
DAP vs MAP: comparing two phosphate fertilizers
DAP is 18-46-0 and MAP is 11-52-0. How the two phosphate fertilizers differ, how to compare them on cost per pound of P2O5, and what the difference does — and does not — change.
ReadUrea vs UAN: comparing two nitrogen sources
Urea is 46-0-0 (dry) and UAN is a liquid at 28-0-0 to 32-0-0. How they compare on cost per pound of nitrogen and on handling, with the numbers you need to convert prices.
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Methodology
The public data behind our price comparisons, and its limits.
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