title: Study of the carbon metabolism of the soil by direct microscopy.
mesh_terms: D002244:Carbon; D002247:Carbon Isotopes; D009930:Organic Chemicals; D012987:Soil
chemical_list: D002247:Carbon Isotopes; D009930:Organic Chemicals; D012987:Soil; D002244:Carbon
keywords: CARBON COMPOUNDS; SOIL
vernacular_title: Etude du métabolisme carboné du sol par la microscopie directe.