Figure 3. Proportions of the bacterial phyla (A) and fungal phyla (B) with the relative abundance higher than 1%.

CK, Control; P, 60 kg P ha⁻¹; N, 100 kg N ha⁻¹; NP, 60 kg P ha⁻¹ plus 100 kg N ha⁻¹; M, 4,000 kg sheep manure ha⁻¹. Lowercase letter “u” after treatment represented samples from 0–10 cm soil layer; “d” represented samples from 10–20 cm soil layer.