Sources of errors made during determination of microbial biomass by fumigation method

agua del suelo biologie du sol biomasa biomass biomasse carbon dioxide chloroform chloroforme cloroformo contenido de agua en el suelo dioxyde de carbone eau du sol flooded land flora microbiana flore microbienne fumigation measurement mesure methode methods microbial flora microorganisme microorganismos microorganisms ph soil biology soil water soil water content teneur en eau du sol tierras inundadas