VEGETATION PIPE, VEGETATION PIPE CONSTRUCTION TOOL AND METHOD OF CONSTRUCTING VEGETATION PIPE

摘要

PPROBLEM TO BE SOLVED: To provide a vegetation pipe and a method of constructing the vegetation pipe for reducing water contamination due to excess fertilization and easily improving the air permeation and the water draining property of soil which are necessary for the growth of tree . PSOLUTION: The vegetation pipe is formed of a material composed of a biodegradable resin and trace-element and has many holes provided on the side surface. PCOPYRIGHT: (C)2004,JPO