| 摘要 |
PROBLEM TO BE SOLVED: To provide a rooftop greening material unit capable of growing an improved breed Lemon plant which is planted on shirasu balloon kneaded soil even under a severe environment such as severe coldness, severe hotness and dryness. SOLUTION: This rooftop greening material unit is obtained by putting soil into planting containers connectable with each other, and planting a flowering plant in the soil. For the soil, a shirasu balloon kneaded product 3 which is obtained by adding/kneading an alkaline silicate solution to/with shirasu balloon is selected, and for the flowering plant, an improved breed lemon plant 4 is selected. COPYRIGHT: (C)2009,JPO&INPIT
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