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. 2019 Jun 10;7:e7047. doi: 10.7717/peerj.7047

Table 2. C, N and P concentrations of leaves, stems and roots of two plant species in control plot and grazing plot.

		Leymus chinensis		Artemisia frigida
		Control	Grazing	Control	Grazing
C (g/kg)	Leaf	292.18 ± 22.09^a	295.83 ± 25.78^a	302.24 ± 10.06^b	331.42 ± 6.15^a
	Stem	221.12 ± 12.96^a	218.98 ± 16.54^a	198.90 ± 5.45^a	199.60 ± 3.99^a
	Root	203.99 ± 3.75^a	222.09 ± 14.53^a	181.51 ± 6.52^a	190.92 ± 3.61^a
N (g/kg)	Leaf	18.50 ± 0.75^b	29.99 ± 1.54^a	23.83 ± 1.06^a	24.72 ± 0.95^a
	Stem	10.30 ± 0.94^b	15.02 ± 1.37^a	9.42 ± 0.95^b	13.38 ± 0.58^a
	Root	8.88 ± 0.51^a	10.09 ± 0.58^a	9.45 ± 0.57^b	12.09 ± 0.97^a
P (g/kg)	Leaf	0.48 ± 0.03^a	0.62 ± 0.06^a	0.94 ± 0.04^a	0.94 ± 0.09^a
	Stem	0.45 ± 0.03^b	0.74 ± 0.03^a	0.35 ± 0.03^b	0.82 ± 0.04^a
	Root	0.46 ± 0.03^a	0.46 ± 0.03^a	0.44 ± 0.03^b	0.69 ± 0.04^a

Notes.

^a,b

Rows with different superscript are significantly different ( P < 0.05) for each plant species. Mean ± standard errors.