Root pressure experiment. The stem that remains from a plant has had a capillary tube connected (up centre). The plant's roots exert a water pressure as they draw water from the soil,resulting in the level of water rising in the tube | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3553 px × 4919 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |