Jeff Jorgenson examines young corn plants in May on a partially flooded field he farms near Shenandoah, Iowa. A USDA scientist was working on a tool to help farmers mitigate the impact of flooding and other effects from climate change when the Trump administration moved his agency to Kansas, prompting him to quit. (Nati Harnik/AP)

KANSAS CITY, Mo. — Dozens of government computers sit in a nondescript building here, able to connect to a data model that could help farmers manage the impact of a changing climate on their crops.

But no one in this federal agency would know how to access the model, or, if they did, what to do with the data.