Gylling Data Management, Inc.
Providing an Industry Standard Software for Research

Create Protocols. Manage Trials. Report Findings.

Gylling Data Management (GDM) creates, markets, and supports ARM software for managing and summarizing agriculture research experiments.
  • ARM saves time creating trials, analyzing data, and producing the many reports required for successful and timely trial management.
  • ARM is a recognized and respected standard throughout the crop production and protection industry.
  • ARM is used by thousands of researchers in nearly 100 countries worldwide.


It is with great sadness we wish to inform you that
our ARM software representative François Mercken has passed away.
François was a great man to many and will be sorely missed at GDM.


Please see this announcement about his funeral service.


For ARM Support, please email us at



Gylling Data Management (GDM)



Update to ARM version 2019.4

Run Check for Updates to download the latest version of ARM today!
See ARM 2019 Release Notes for new features and fixes.
Highlights include:
  • Create custom labels
    Learn how to export treatment/plot information to a .csv file here.
  • Import data from any weather source csv file
    Learn how to create a custom weather connection here.
  • Quick View toolbar
    Simplify the Crop Description editor by filtering fields by task.


ARM Product Pulse

Your source for the latest ARM updates and best practices


GDM publishes the ARM Product Pulse newsletter every quarter with current topics and tips for using GDM products.
Click here for the latest issue of ARM Product Pulse.
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Your feedback is important to us! We would appreciate your ideas on subjects that you would like to read about. Please contact us with questions and suggestions.


Where will we be next?

We travel all over the world for trainings, meetings and conventions.
Check out our Meeting Calendar for our full schedule of upcoming events.


on November 10-13, 2019, in San Antonio, Texas!
The American Society of Agronomy, the Crop Science Society of America, and the Soil Science Society of America will host approximately 4,000 scientists, professionals, educators, and students at the 2019 International Annual Meeting, "Embracing the Digital Environment".
in St. Louis on November 17-20.
The Entomological Society of America (ESA) is the largest organization in the world serving the professional and scientific needs of entomologists and individuals in related disciplines.