Cardboard is biodegradable and safe to compost, but it can only be recycled a limited number of times before it becomes too degraded to be remade into new paper products. However, cardboard has ...
Cardboard is a great gardening tool because it's biodegradable. It improves soil health as it breaks down and retains moisture. You can use cardboard as a weed barrier, seed starter pots, vine ...
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