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Chemical and Biological Technologies in Agriculture
Fig. 1 | Chemical and Biological Technologies in Agriculture

Fig. 1

From: Differences of SOC storage and stability between soil layers influenced by long-term fertilization in a typical paddy soil of Southern China

Fig. 1

The SOC storage of whole soil and SOC fractions under different treatments. Note: Different lowercase letters in (A) indicate significant differences among treatments within each SOC fraction (p < 0.05), bars represent mean ± standard error. In (B–F), “Trt” refers to the four treatments: Control, NPK, 2NPK, NPKM; “Trt × Depth” is the interaction between treatment and depth. *p < 0.05, **p < 0.01, ***p < 0.001. C–F shared the same legend with (B)

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