| 发明名称 |
Substrate for soilless culture made of rock wool. |
| 摘要 |
<p>The invention relates to a substrate for soilless culture made of rock wool. The substrate according to the invention is composed of a felt of rock fibres in which the percentage of fibres whose diameter is outside the range which is defined as being that whose limits are plus or minus 50 DEG of the average value, is at least 30%.</p> |
| 申请公布号 |
EP0493159(A1) |
申请公布日期 |
1992.07.01 |
| 申请号 |
EP19910403286 |
申请日期 |
1991.12.05 |
| 申请人 |
ISOVER SAINT-GOBAIN |
发明人 |
ROBERT, MARIE-AGNES;MOSNIER, FRANCIS;GUYOT, DANIEL |
| 分类号 |
C03B37/04;A01G31/00;D04H1/42 |
主分类号 |
C03B37/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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