June 7, 2002 Planted reed investigation by Obayashi Corporation #2
Method 1; (1) Root of reed	Method 2; (1) Covering the stalk with soil
Method 1; (2) Covering the root with soil	Method 2; (2) Wrapping up the reed in paper
Method 1; (3) Planted reed	Method 2; (3) Planted reed
Planted reed - Overview