. 2020 Jun 22;10:10038. doi: 10.1038/s41598-020-66886-x

Table 3.

Values of leaf N content (g kg⁻¹) during soil nitrogen additions in July and August in both species.

	Manchurian ash		Mongolian oak
	July	August	July	August
CK	13.1 ± 0.88^ab	10.4 ± 0.31^b	13.0 ± 1.22^b	10.2 ± 0.93^b
LN	14.4 ± 0.83^b	11.8 ± 0.55^a	16.4 ± 3.05^ab	15.7 ± 2.73^a
MN	15.2 ± 0.46^a	11.9 ± 0.32^a	19.1 ± 1.12^a	15.5 ± 0.47^a
HN	15.0 ± 1.85^ab	11.1 ± 1.10^ab	16.0 ± 1.48^ab	12.8 ± 0.93^ab

All values were means ± SE (n = 3). Different lowercase letters (a, b, c) indicated significant differences between nitrogen addition treatments at P < 0.05. CK, the control; LN, low nitrogen addition; MN, medium nitrogen addition; HN, high nitrogen addition.