Figure 3

Chlorophyll a (a), chlorophyll b (b), chlorophyll a + b (c), and chlorophyll a/b (d) of wintering Chinese chives as affected by different fertilizer treatments. Lowercase letters indicate significant differences among different fertilization treatments (p < 0.05). CK no fertilizer, TF traditional fertilization, SRF traditional fertilization with slow-release fertilizer, DSRF decreased fertilization with slow-release fertilizer.