Table 1 Values of leaf anatomical characteristics for different nitrogen addition treatments in Manchurian ash and Mongolian oak.

CK

130.1 ± 11.0^bc

116.3 ± 5.1^bc

12.1 ± 2.0^a

1.91 ± 0.08^ab

4.47 ± 0.37^d

1.08 ± 0.06^b

206.8 ± 3.2^bc

158.1 ± 6.7^c

12.9 ± 1.3^b

1.81 ± 0.11^a

5.41 ± 0.33^c

1.14 ± 0.06^b

LN

135.9 ± 5.1^b

122.9 ± 4.2^ab

14.2 ± 3.8^a

1.74 ± 0.11^b

11.93 ± 0.79^a

1.19 ± 0.14^ab

213.7 ± 4.7^b

185.9 ± 3.5^a

13.0 ± 1.5^ab

1.67 ± 0.40^a

6.21 ± 0.42^b

1.24 ± 0.12^ab

MN

148.2 ± 7.3^a

130.2 ± 2.5^a

15.2 ± 2.6^a

2.35 ± 0.53^a

10.13 ± 0.74^b

1.28 ± 0.05^a

227.4 ± 6.0^a

171.2 ± 8.0^b

16.0 ± 2.0^a

1.85 ± 0.34^a

7.22 ± 0.22^a

1.32 ± 0.07^a

HN

122.9 ± 3.6^c

112.9 ± 3.3^c

18.0 ± 5.0^a

2.43 ± 0.16^a

8.11 ± 1.03^c

1.06 ± 0.07^b

202.9 ± 2.4^c

167.1 ± 4.1^bc

14.4 ± 1.7^ab

1.78 ± 0.22^a

5.76 ± 0.59^bc

1.17 ± 0.04^b