Fig. 5. Relationship between organic C content at d 84 and (a) soil 4-hydroxy-benzaldehyde content and (b) total soil ester-linked phenolic acid (PA) content at d 84.
Fig. 5. Relationship between organic C content at d 84 and (a) soil 4-hydroxy-benzaldehyde content and (b) total soil ester-linked phenolic acid (PA) content at d 84.