Not addressing a specific instance but it general there is a strong defense related reason for this kind of thing.
There are a couple things which are essential for a country to produce themselves so they can survive and fight in the event of war. Food, energy, steel etc... It's essential that we are a net exporter of food. To this end it is reasonable that government would offer a minimum price on which they would buy food and destroy it in order to maintain production. This only really happens when supply lines are disrupted as happened in 2020.
Not addressing a specific instance but it general there is a strong defense related reason for this kind of thing.
There are a couple things which are essential for a country to produce themselves so they can survive and fight in the event of war. Food, energy, steel etc... It's essential that we are a net exporter of food. To this end it is reasonable that government would offer a minimum price on which they would buy food and destroy it in order to maintain production. This only really happens when supply lines are disrupted as happened in 2020.