Interesting, about the cellophane. Thanks for the link. Since our land is termite infested, anything that has cellulose content on the soil is soon detected by them and attacked by termites in quick time. As such, I cannot use any wooden things in my garden, driven into the soil. So even if I use the cardboard under the bed, they will soon be taken away by them. In a way, termites makes the earth porous as to absorb moisture. I use the waste boxes, paper and such for our hot water boiler. Then I use ash in small quantities to the soil as it has phosphorus. I use the good boxes for storing things, in the absence of proper shelves or storage places in our century old house.