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Clemson Drip Fertigation Calculator

This resource was developed to help producers easily calculate the amount of liquid fertilizer needed to fertigate through a drip irrigation system. ( for more)

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Specify Fertilizer Product

Are you preparing a liquid solution from a soluble fertilizer?
If so, visit our Liquid Fertilizer Solution Calculator.
Once complete, there will be a link to plug it in here.

Assumed Density: .
Note: Products may vary in density, please check the label.
Select "Use custom fertilizer data" entry below if necessary.

Specify Nitrogen Rate

Recommended N Rate:

Recommended N:K Ratio = .

Specify Area

Output: Fertigation Rate


Note: Rates should generally be adjusted based on tissue analysis.

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APA Citation:
Snipes, Z., Ballew, J., and Last, R., and Kirk, K. R. (2020). Clemson Drip Fertigation Calculator. Clemson University Cooperative Extension. Retrieved from

(c) 2020-2022 Clemson University Cooperative Extension

Disclaimer: This calculator is brought to you as a free service by Clemson University Cooperative Extension. The accuracy of the calculator is not guaranteed. User assumes all risks and liabilities from its use.

We are dedicated to making this a valuable tool for you. If you have suggestions for additional, crop-specific fertility programs or additional nominal fertilizer products, please contact us by email.