Fig. 6From: Straw retention efficiently improves fungal communities and functions in the fallow ecosystemPearson’s correlation coefficients of soil physiochemical properties and the keystone taxa of a network (Order), a non-straw retention, b straw retention, and c topsoil (0–20 cm), and d subsoil (20–40 cm) depths. The heatmap cells marked by “*” or “**” are statistically significant: * p < 0.05 and ** p < 0.01Back to article page