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. 2017 Mar 27;12(3):e0174622. doi: 10.1371/journal.pone.0174622

Fig 2. A) Soil compaction measured in March 2011 and B) Bare soil cover in the two sampling seasons (May 2011: open quadrats) and May 2012 (black quadrats) in experimental plots (Control, Manure and Topsoil).

Fig 2

Error bars represent 95% confidence intervals