Citation practices in soil ecology.

<p>Distribution of articles cited by <i>Soil Biology & Biochemistry</i> (left panel) and citing articles published in Soil Biology and Biochemistry (right panel) according to the category of journal they have been published in. Issues 10, 11 and 12 of the volume 35 (2003) of <i>Soil Biology & Biochemsitry</i> have been scanned in 2007 using the bibliographic data base ISI Web of Science, so that article citing these issues of <i>Soil Biology & Biochemistry</i> have been published between 2003 and 2007 while all the articles cited in these issues have been taken into account whatever their year of publication. Categories of journals are described in the text.