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. 2012 Dec 20;7(12):e51785. doi: 10.1371/journal.pone.0051785

Figure 1. Photograph of the flowerbed and agricultural field sites for soil sampling.

Figure 1

The unmanaged flowerbed framed by concrete walls (A) and the soybean-cultivated field (B) in the campus of Toyohashi University of Technology from autumn till winter in 2010.