Abstract:
Agricultural practices that improve agricultural sustainability are
needed particularly for brown luvic soil. Soil enzyme activities can provide
information on how soil management is affecting the processes in soil such as
decomposition and nutrient cycling. Soil enzyme activities (actual and
potential dehydrogenase, catalase, acid and alkaline phosphatase) were
determined in the 0–10, 10–20, and 20–30 cm layers of a brown luvic soil
submitted to a complex fertilization experiment with different types of green
manure. It was found that each activity decreased with increasing sampling
depth. It should be emphasized that green-manuring of maize led to a
significant increase in each of the five enzymatic activities determined. The
enzymatic indicators of soil quality calculated from the values of enzymatic
activities showed the order: lupinus + rape + oat > lupinus > vetch + oat +
ryegrass > lupinus + oat + vetch > unfertilized plot. This order means that
by determination of enzymatic activities valuable information can be
obtained regarding fertility status of soils. There were significant
correlations of soil enzyme activities with chemical properties.
