Chemical composition

Carbon

Nitrogen

Phosphorus

Potassium

C/N

Lignin

Stipa baicalensis

Leaf

436.9 ± 13.3 a

14.4 ± 0.2 a

0.89 ± 0.2 a

10.8 ± 0.2 a

30 ± 0.6 a

119.6 ± 6.3 a

Root

349.9 ± 82.0 b

8.9 ± 0.8 b

0.63 ± 0.2 a

4. 9 ± 1.0 b

50 ± 6.3 b

117.3 ± 1.2 a

Leymus

chinensis

Leaf

451.7 ± 2.4 a

16.5 ± 1.2 a

0.89 ± 0.1 a

11.9 ± 0.4 a

27 ± 2.1 b

120.7 ± 7.6 a

Stem

420.5 ± 36.7 a

7.9 ± 0.6 b

0.83 ± 0.1 a

10.2 ± 0.5 b

53 ± 5.1 a

119.3 ± 5.0 a

Root

396.2 ± 40.3 a

7.9 ± 0.7 b

0.63 ± 0.1 b

4.9 ± 1.0 c

50 ± 8.8 a

113.0 ± 6.23 a

Artemisia frigida

Leaf

460.7 ± 75.2 a

21.1 ± 0.6 a

1.78 ± 0.2 a

18.5 ± 1.6 a

22 ± 1.3 b

121.8 ± 5.4 a

Stem

354.9 ± 54.0 ab

7.2 ± 1.3 c

0.68 ± 0.1 b

10.2 ± 0.3 c

49 ± 10.4 a

111.9 ± 1.9 a

Root

313.0 ± 39.2 b

9.0 ± 0.3 b

0.67 ± 0.1 b

14.0 ± 0.1 b

35 ± 7.9 b

109.4 ± 1.0 a