| 发明名称 |
Subtratum for soil-free cultivation |
| 摘要 |
Substrata for soil-free cultivation are characterized by a relatively low by-volume mass. They are also constituted of fine fibers. The substrata present the advantage of a high degree of water retention, even for small thicknesses.
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| 申请公布号 |
US4879172(A) |
申请公布日期 |
1989.11.07 |
| 申请号 |
US19880155738 |
申请日期 |
1988.02.16 |
| 申请人 |
ISOVER SAINT-GOBAIN |
发明人 |
MEUNIER, DECEASED, JEAN-PAUL |
| 分类号 |
A01G31/00 |
主分类号 |
A01G31/00 |
| 代理机构 |
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代理人 |
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