Name : The 46th Conference of Coal Science
Number : 46
Location : [in Japanese]
Date : November 26, 2009 - November 27, 2009
Pages 114-115
Authors had developed the plant cultivation bed with used paper. This time The cultivation bed was made from mixing with used paper and unused wood resources. For the usage expansion, large-scale construction machine such as cylinder of 30cm diameter and 30cm cube are developed.