The most likely consequence in the next few months, given that a large sugar beet processing factory has been destroyed in a flood, is:
The price of sugar beets will increase.
This is because the destruction of the processing factory reduces the capacity to process sugar beets, leading to a decrease in supply at the processing level. With reduced processing capabilities, farmers may find it harder to sell their sugar beets, thus driving up prices due to the scarcity of processing options.