DS DS/EN ISO 14240-1
DS DSEN SO 14240-1 2011-AUG-23 Sol qualty - Determnaton of sol mcrobal bomass - Part 1 Substrate-nduced respraton method
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This part of ISO 14240 specifies a method for the determination of the active aerobic, heterotrophic microbial biomass in aerated agricultural and mineral soils. Determination of the effects of chemicals on biomass is outside the scope of this part of ISO 14240.