| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of greening process, capable of making the thickness of soil dressing as thin as one half, shortening the term of works and reducing the labor for culturing plants. SOLUTION: This method of greening process is provided by arranging blocking bodied 2 on a concrete 1 as a frame shape, laying a root-resisting sheet 3 made of a polyvinyl chloride on the concrete 1 and further laying porous peat type roof soil 4 on the root-resisting sheet 3 in the blocking bodies 2 to make the thickness of the soil of the roof soil as approximately 7 cm. As the roof soil 4, the soil consisting of a lightweight peat treated with a specific chemical treatment (humus soil, etc.), as a main component and the rest of peat moss, etc., is used.
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