Agriculture Reference
In-Depth Information
1992; Bååth et al., 1998). The soil microbial population presents variability, which, in a non-
stressed environment, would not bring any advantage.
Figure 5. Catalase activity (μM Formaldehyde g soil
-1
) determined over a period of 1 hour; Acid
phosphate activity (μg
p
-nitrophenol g soil
-1
)
determined over a period of 40 minutes; and Lipase
activity (μg
p
-nitrophenol g soil
-1
) determined over a period of 10 minutes, in BC, BA and BD soils.
Data are mean ± SE of 30-40 replicate measurements. Different letters indicate means that are
significantly different (P< 0.05) from each other.
