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. 2019 Jul 16;10:3121. doi: 10.1038/s41467-019-11057-4

Fig. 3.

Fig. 3

Soil pore characteristics of the studied cropping systems 9 years after their implementation. Total porosity (gray bars, left y-axis) and percent of soil matrix located within <180 µm distance from the nearest ≥30 µm pore (red bars, right y-axis). Letters mark significant differences among the systems in terms of percent of soil matrix located within <180 µm distance from the nearest ≥30 µm pore (p < 0.05). Source data are provided as a Source Data file