“A ripple effect is a situation in which, like ripples expanding across the water when an object is dropped into it, an effect from an initial state can be followed outwards incrementally”- Wikipedia
The agriculture industry (farmers, agribusinesses, etc.) is experiencing a ripple effect. In this case, the object dropped into the water is a pandemic. That object is HUGE. The ripples from the pandemic are seemingly endless, eventually making their way to every industry and individual.