Research Article
Annual Variation in Soil Enzyme Activity in a Paddy Field: Soil Temperature and Nutrient Availability Are Important for Controlling Enzyme Activities
Figure 1
Annual variations in soil physicochemical properties in a paddy field. (a) Air and soil temperatures. Filled circle, soil temperature; open circle, air temperature; (b) soil Eh; (c) exchangeable Mn; (d) Bray-2P; (e) total C and N. Filled circle, total C; open circle, total N; (f) soil pH; (g) acid-volatile sulfide. Data points represent means, and the error bars represent standard deviations.
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