The aerobic cellulolytic bacteria were stimulated by La below 10%(ADC), and the celluolytic fungi were stimulated by La up to 50%(ADC).

• 镧积累在吸附容量10%25以下时对好气性纤维素分解细菌产生刺激作用，直至50%25都对纤维素分解真菌产生刺激作用；