Light micrograph of Nostoc,a blue-green algae and nitrogen-fixing algae which grows in the absence of combined nitrogen and converts gaseous nitrogen into a usable form. Useful in rice culture,etc. Filamentous organism forming chains of individual creatures. Aggregations of this algae form mucilaginous masses,usually seen resting on the soil. Phase contrast. Mag: X`160. (mauve) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stammers, Sinclair |
Taille de l’image : | 5165 px × 3433 px |
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Property Release : | Non requis |
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