Table 1. Growth indicators of two shrubs after root exposure.

The table shows the changes of growth indexes of Hedysarum scoparium and Caragana korshinskii under different root exposure treatments.

Growth indexes	Hedysarum scoparium				Caragana korshinskii
Root exposure length ratio	0 L	1/4 L	1/2 L	3/4 L	0 L	1/4 L	1/2 L	3/4 L
Root exposure depth	0 cm	2 cm	3 cm	5 cm	0 cm	2 cm	4 cm	6 cm
Change in plant height (cm)	1.4 ± 0.2a	0.4 ± 0.2b	0.3 ± 0.1b	0.6 ± 0.1b	0.3 ± 0.1a	0.5 ± 0.1a	0.4 ± 0.1a	0.5 ± 0.2a
Plant height range (%)	47 ± 9	12 ± 5	9 ± 3	18 ± 2	10 ± 2	19 ± 4	12 ± 4	14 ± 6
Variation of leaf blade number (slice/basin)	−6 ± 9a	1 ± 8a	18 ± 24a	−2 ± 14a	5 ± 2a	−2 ± 4a	2 ± 7a	−6 ± 14a
Leaf blade number variation (%)	−11 ± 20	1 ± 28	39 ± 53	7 ± 47	19 ± 9	−7 ± 13	3 ± 12	−5 ± 25
Survival rate (%)	88 ± 17a	89 ± 10a	79 ± 11a	87 ± 6a	100 ± 0a	94 ± 7a	91 ± 8a	84 ± 17a

Note:

Values were means of three replicates ± standard error, different lowercase letters indicated significant difference (P < 0.05).