title: [The effect of humus substances on the count of soil microorganisms in culture].
mesh_terms: D000192:Actinomycetales / Q000187:drug effects / Q000254:growth & development; D001419:Bacteria / Q000187:drug effects / Q000254:growth & development*; D001431:Bacteriological Techniques; D003470:Culture Media; D006812:Humic Substances / Q000494:pharmacology*; D012988:Soil Microbiology; D013223:Statistics as Topic
chemical_list: D003470:Culture Media; D006812:Humic Substances
vernacular_title: Der Einfluss der Humusstoffe auf die Anzahl der Bodenkleinlebewesen in Kulturen.