Soil bacteria, SEM

Référence de la vidéo 12456433
Soil bacteria. Animated coloured scanning electron micrograph (SEM). Bacteria in the soil are directly tied to nutrient recycling especially carbon, nitrogen, phosphorus and sulfur. Bacteria are a major class of microorganisms that keep soils healthy and productive. A teaspoon of productive soil generally contains between one hundred million and one billion bacteria. That is as much mass as two cows per acre. A ton of bacteria may be active in each acre. Bacteria make up both the largest number and biomass (weight) of any soil microorganism.
Licence : Droits gérés
Crédit : Science Photo Library / Gschmeissner, Steve
Model Release : Non requis
Durée : 15 Secondes
Aspect ratio : 16/9
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