Fertilicalc is an application for calculating crop nutrient requirements and fertilizer amounts with data for 150 crops. The program allows the selection of organic and inorganic fertilizers and evaluates acidification and N losses. The application includes a manual and additional reading material and may be downloaded in the links shown below.

Versions v 3.4. Nitrate in irrigation water is now considered (updated December 27, 2021)

Update 10/05/24. Complex basal fertilizer now will provide less than 40% of total N

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Tutorials v 3.4 (new)    English    Español

Paper on FertiliCalc          Artículo sobre FertiliCalc en Español          Code Python (updated June 23, 2021           FertiliCalc 4         FertiliCalc-Fertigate-NPK

************Link for smartphone app **************

If you use or plan to use FertiliCalc for teaching you may join our mailing list by sending us a contact email, and the names of the degree and class.
With that we will be able to share our experience and additional materials for teaching fertilizer management.

If you are interested in a new translation please contact us

Last updated 6 June, 2024  by Francisco J. Villalobos