The results of studying the microbic complex structure in the multiple-aged forest stand rhizosphere are given in the article. When studying the microbic complex structure dynamics the increase in total number of microorganisms with increase of the forest stand age is revealed. It is shown that maximum rhizosphere effect in the young pine forests is connected with the microbic complex development activation by root secretions.
pine forest stands, microflora, rhizosphere effect, metabolic effect
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