The absence of light under the cardboard does kill off the weeds and also. The covered weeds turn into soil, and your vegetables can flourish.
I'm pretty comfortable with it being used as weed barrier; but you'd have to go. Q
This video shows how cardboard can be used as weed barriers in raised garden beds. It also serves to keep.
This video shows the use of cardboard as a weed barrier in raised garden beds/ boxes. In the video I use.
To use cardboard as a weed barrier in your garden:. Advantages of Weed Barriers for Your Garden.
I now lay cardboard down in my garden beds at the beginning of each season and cover them. It sucks on many levels within my cottage garden veggie beds.