| 摘要 |
Raising pots for vegetable seedlings which are produced by molding a mixture comprising a boiled fiber material prepared by boiling bamboo fiber with fiber of a grass plant such as reed, an auxiliary material comprising at least one member selected from among a carbonized vegetable material prepared by carbonizing a tree-free material, a calcium-based waste powder such as bon meal and a chicken manure powder and a small amount of urea optionally together with a silicon dioxide powder.
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