Treatments Agr. soil + sedim. A Agr./Forest soil + sedim. B 0% 2% 10% 0% 2% 10% #1 #1 #1 #1 #2 #3 #4 #1 #2 #1 #2 #3 #4 5-day incubation at 25˚C · · · · · · · · · · · · · Storage at 4˚C for immediate analysis · · · ·       ·   ·       Storage at 4˚C for 15 h         ·           ·     Heat at 50˚C for 15 h           · ·   ·     · · Storage at 4˚C for immediate analysis           ·     ·     ·   30-day incubation at 25˚C         ·   ·       ·   · Storage at 4˚C for immediate analysis         ·   ·       ·   · Note: “·” indicates treatment was applied and blank indicates treatment was not applied. “#1~4” denotes the sample portion number.

Table 3: Summary of sample treatments.