Impact of Land Use Types on Soil Organic Carbon and Nitrogen Stocks: A Study from the Lal Bakaiya Watershed in Central Nepal

Table 3

SOC content, N content, and C/N ratio with reference to different land uses and soil depths.

Variable	Soil depths (cm)	Land uses
		Natural forest (mean ± SD)	Grassland (mean ± SD)	Cultivated land (mean ± SD)
SOC content (%)	0–15	1.40 ± 0.20	0.93 ± 0.07	0.96 ± 0.08
	16–30	1.09 ± 0.11	0.95 ± 0.08	0.77 ± 0.04
	31–45	0.91 ± 0.10	0.67 ± 0.06	0.63 ± 0.05
N content (%)	0–15	0.26 ± 0.04	0.18 ± 0.04	0.16 ± 0.04
	16–30	0.22 ± 0.03	0.21 ± 0.03	0.12 ± 0.03
	31–45	0.14 ± 0.03	0.13 ± 0.03	0.08 ± 0.02
C/N	0–15	5.40 ± 1.61	5.42 ± 1.48	6.38 ± 1.66
	16–30	5.14 ± 1.07	4.71 ± 1.07	6.58 ± 1.53
	31–45	6.72 ± 1.73	5.65 ± 1.92	8.24 ± 2.61