Affiliation: | Institute of Soil Science, Von-Siebold-Strasse 4, 37075 G?ttingen, Germany, Institute of Soil Science and Forest Nutrition, Büsgenweg 2, 37077 G?ttingen, Germany, Department of Soil Biology, University of Kassel, Nordbahnhofstrasse 1a, 37243 Witzenhausen, Germany,
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