. 2015 Jun 19;5:11439. doi: 10.1038/srep11439

Table 2. Means and standard deviations (in parentheses) of SOC, SIC, PIC and LIC stocks (kg C m⁻²) for cropland (n = 9) and shrub land (n = 9).

Stock	Cropland		Shrub land		Difference^a
	0–30	30–100	0–30	30–100	0–30	30–100
	SOC	4.6 (0.6)	4.6 (1.8)	3.2 (1.3)	4.6 (1.7)	1.4**	0
SIC	11.0 (1.5)	30.9 (4.3)	9.8 (2.8)	27.0 (6.9)	1.2	3.9*
PIC	4.4 (1.3)	14.2 (6.7)	3.8 (1.6)	9.6 (5.2)	0.6	4.6*
LIC	6.6 (2.2)	16.7 (5.9)	6.0 (2.3)	17.2 (7.0)	0.6	-0.7
Total C	15.6	35.5	13.0	31.6	2.6	3.9

^aSignificance of the difference was determined by t test, and marked with one (P < 0.05) and two (P < 0.01) asterisks.

Table 2. Means and standard deviations (in parentheses) of SOC, SIC, PIC and LIC stocks (kg C m−2) for cropland (n = 9) and shrub land (n = 9).