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Fig. 5 | Carbon Balance and Management

Fig. 5

From: Validating the regional estimates of changes in soil organic carbon by using the data from paired-sites: the case study of Mediterranean arable lands

Fig. 5

Distribution of the difference between pairs of the 30 samples of SOC17-SOC94 (expressed as raw data, green bars; or their logs, purple bars) and relative probability distribution function. Differences between the 302 original data (LEG-SOC94) and the 302 estimated data of 2008 (EST-SOC08) is also shown (grey bars). Positive values indicate an increase in SOC with time

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