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World Potato Congress January 14, 2021 Webinar with Todd Forbush

Todd Forbush, Engineer with Techmark, Inc.

The World Potato Congress has announced its next webinar for Thursday, January 14, 2021 with Todd Forbush, Engineer with Techmark, Inc.

Presentation Outline:

Ambient air potato storage ventilation systems rely on cool outside air to remove energy from the potato storage resulting from both field heat and potato respiration. These systems do not contain mechanical refrigeration equipment, so proper ambient air quality is critical to successful energy removal from the potato storage.

This presentation will begin by discussing a view of the ventilation system as an “energy conveyor” rather than a fan or fans with specific ventilation capacity. The quality of the ambient air will be discussed and the impact that air quality (temperature and moisture content) will have on the energy-carrying capacity of the air system.

These principles will then be applied to ambient air potato storage ventilation with input from different climate change models. The results of this evaluation will serve as a point of view that can be utilized for evaluating future needs for ambient potato storage ventilation systems as we face changing environmental conditions.

Todd Forbush received his Masters degree from Michigan State University in Agricultural Engineering in 1989. While at MSU Todd studied the effects of ventilation on the process quality of chip potatoes out of storage under the watchful eyes of the late Dr. Burt Cargill and Dr. Roger Brook.

Following graduation, he continued to apply this work to the commercial potato storage industry at Techmark, Inc.

Todd Forbush:

“The most enjoyable part of my job is working with the producers, they are the backbone of this industry and I really like solving problems with them.”

Webinar Registration

The host for this webinar will be WPC Director, Dr. Nora Olsen (

When: January 14, 2021 at 9:00 a.m. Eastern Standard Time (USA and Canada)

Register in advance for this webinar: Following your registration, you will receive a confirmation email containing information about joining the webinar.

In case you missed any of the previous webinars, you can view them all on the World Potato Congress Inc. website at

WPC Inc. looks forward to interacting with you during this initiative. They welcome all your feedback via email: