High Yields for Your Fields

NPK / Fertilizer Calculator

This tool allows you to input local prices of different types of fertilizer and soil test info to determine the best economic fit.

Number of acres to be fertilized

Starter Fertilizer

Calculations will account for nutrients in the starter fertilizer selected.

Starter Fertilizer

Gallons of Starter

$/Gallon

	N (lbs)	P / Olsen (ppm)	K (ppm)
0-2' Reading
2-4' Reading
N Available 0-4'	0
Total lbs. needed minus Starter Fertilizer	0	0	0

Customized Fertilizer Rate

Calculations will be based on your custom rate entered.

Enter Target Available Nitrogen

Calculated custom rate of N lbs.

Enter custom rate of P lbs.

Enter custom rate of K lbs.

N Rate based on: Target N minus N in Soil test and Starter fertilizer

N Fertilizers	Enter $/ton	$/lb. Actual N

N & P2O5 Fertilizers	Enter $/ton	$/lb. Actual N	$/lb. Actual P205

K2O Fertilizers	Enter $/ton	$/lb. Actual P205

	N	P205	K20
Select Fertilizer Type
Pounds of Fertilizer per lb. of N, P2O5, or K2O	0.00	0.00	0.00
P & K Fertilizer needed per Acre (lbs)		0	0
N from P2O5 Fertilizer		0
lbs. of Nitrogen Needed per acre minus N from P2O5 Fertilizer	0
Fertilizer needed per acre (lbs.)	0

	N	P2O5	K2O	Starter Fert. Cost	Total Cost
Cost of Fertilizer per acre	$0.00	$0.00	$0.00	$0.00	$0.00
Cost of Fertilizer by Field	$0.00	$0.00	$0.00	$0.00	$0.00

* Comparison of Products Based on:

Note: If "None" is selected for N, P or K the Calculator will not calculate the total amount of N, P or K needed.