Imagine for a moment a Midwestern agricultural landscape in late August that has not seen rain in weeks. Some corn fields remain green, showing no sign of a moisture deficit while other fields have curled leaves, plants starting to yellow. Belowground, microbial communities between the fields are acting differently, too, some biding their time until a pulse of rain puts them in motion while others continue their work. Under the same climate and soils, why is one field more resilient to the stress of drought? What about that field helps it to remain productive? In the midst of global