an increasing trendP < 0.05
Horizontally, SBD showed an increasing trend from the eastern to western sections ( P < 0.05) (Fig. 2 ).
Horizontally, SBD showed an increasing trend from the eastern to western sections ( P < 0.05) (Fig. 2 ).
Horizontally, soil SOC, TN, and TP showed a decreasing trend from eastern to western, while SOC:TN, SOC:TP, and TN:TP of soil showed an increasing trend ( P < 0.05) (Fig. 4 ).
Vertically, the pH and SBD of the three regions showed a trend of 40 cm > 20 cm > 10 cm.