| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a greening method having weatherability even under severe environments, being free from inhibition of growth through trampling, being free from the need of maintenance such as pruning, retaining a greened condition of a schoolyard for a long period, and eliminating the use of transplanting as much as possible. Ž<P>SOLUTION: This paved schoolyard greening constructing method includes making innumerable holes 2 which penetrates a pavement thickness, in an object paved surface of a paved schoolyard 1, laying a shirasu balloon kneaded product 4 which is obtained by adding and kneading an alkaline silicate aqueous solution to/with shirasu balloon, in a prescribed thickness on the paved surface, moderately compacting the product with a roller, scattering a binder followed by hardening only the surface, and planting an improved variety lemon plant 3. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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