Table 3. Effects of fertilization concentrations on chlorophyll contents and Chlorophyll a/b ratio of Hovenia dulcis container seedlings.

Fertilization treatment (g·L⁻¹)	Chlorophyll contents (mg·g⁻¹ fresh weight)			Chlorophyll a/b ratio
Fertilization treatment (g·L⁻¹)	Chlorophyll a	Chlorophyll b	Total chlorophyll	Chlorophyll a/b ratio
Control	^z3.73±0.44^d	2.01±0.79^d	5.73±1.13^d	2.09±0.82^b
0.5	18.17±1.30^c	4.28±0.54^c	22.44±1.82^c	4.27±0.28^a
1.0	21.13±1.50^b	5.36±0.46^bc	26.48±1.92^b	3.95±0.15^a
1.5	25.84±3.20^a	6.90±1.37^a	32.73±4.53^a	3.79±0.36^a
2.0	24.45±1.76^a	6.09±0.59^ab	30.53±2.26^a	4.03±0.24^a
2.5	24.89±2.22^a	5.86±0.72^ab	30.75±2.91^a	4.26±0.24^a
F-value	74.30^***	18.61^***	57.04^***	16.12^***

Note. Mean±SD(n=4).
P < 0.001. F-values are statistical significance in one-way ANOVA. Different letters on the each columns indicate statistical differences at the 5% levels by Duncan’s multiple range test.