FERTILIZATION OF STREET TREE OR SUCH AND FERTILIZING TOOL THEREFOR

摘要

PURPOSE:To enable effective fertilization of a street tree even if the ground near the root is covered with concrete, etc., excluding the circumference of the root, by boring a through-hole on concrete or tile and filling a fertilizer through the through-hole into a hole bored in the earth. CONSTITUTION:Concrete or tile 1 is bored with a through-hole 4 having an openable cover 10. A fertilizer 18 is filled directly or via a pipe 13 having a number of fertilizing perforations 15 into a hole 17 bored in the earth through the through-hole 4. The fertilizer is dissolved by rain water permeated through the insertion hole 11 and the nourishing component is supplied to the soil near the root.