Figure 5

Soil total nitrogen (a), total phosphorus (b), total potassium (c), available nitrogen (d), available phosphorus (e), and available potassium (f) 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.