giá thể
Definition
- Noun:
- Substrate / Growing Medium: A solid material or substance that provides physical support, anchorage, and sometimes nutrients for plants to grow in, especially in soilless cultivation, hydroponics, or for epiphytic plants like orchids.
- Substratum (archaic/technical): A base layer or underlying substance.
Usage Examples
- Noun:
- Giá thể trồng lan thường là than củi hoặc dớn. (The substrate for growing orchids is often charcoal or tree fern fiber.)
- Hỗn hợp giá thể tốt phải tơi xốp và thoát nước nhanh. (A good growing medium mixture must be porous and drain quickly.)
- Cây bị bệnh nên cần thay giá thể mới. (The plant is sick, so it needs fresh substrate.)
Advanced Usage
- In microbiology or chemistry, "giá thể" can be used to translate "substrate," meaning the surface on which an organism grows or the substance upon which an enzyme acts. This usage is more common in scientific contexts.
- Enzyme liên kết với giá thể cụ thể. (The enzyme binds to a specific substrate.)
Variants and Related Words
- Chất nền: A direct synonym often used in scientific contexts for "substrate."
- Môi trường sinh trưởng: Growing medium (broader term).
- Đất trồng: Potting soil (a specific type of growing medium containing soil).
Synonyms
- Substrate: The primary synonym in horticulture and science.
- Growing Medium: A more descriptive term for gardening.
- Culture Medium: Specifically for laboratory cultivation (e.g., of bacteria, tissues).
Related Terms
- Thủy canh (Hydroponics): A method of growing plants using mineral nutrient solutions in water, without soil, where an inert giá thể like perlite or rockwool is often used for support.
- Biểu sinh (Epiphytic): Refers to plants that grow on another plant (using it as a giá thể) but are not parasitic.