I tend to have a lot of corrugated cardboard boxes laying around, due to getting various things shipped to my house. I have heard of using cardboard for a mulching material, but I'm not sure exactly how to do it (maybe I'm overthinking things). Ignoring the option of shredding and composting it:
Should I shred it and treat it like I would straw mulch? Should I rip it into sheets and just lay it down flat on the ground between rows? Should it be covered with anything, or can it just sit out? Is there some other method that I haven't thought of?