Annual Variation in Soil Enzyme Activity in a Paddy Field: Soil Temperature and Nutrient Availability Are Important for Controlling Enzyme Activities

Table 1

Spearman rank correlation coefficients between soil properties and enzyme activities.

	Soil temperature	Total	Total C	Bray-2P	Eh	pH	Arylsulfatase	Acid phosphatase	β-Glucosidase
Total N	0.666
Total C	0.482	0.820
Bray-2P	0.856	0.564	0.416
Eh	−0.723	−0.216	−0.206	−0.757
pH	0.808	0.472	0.453	0.868	−0.794
Arylsulfatase	0.880	0.631	0.439	0.740	−0.659	0.825
Acid phosphatase	0.893	0.649	0.414	0.643	−0.534	0.610	0.897
β-Glucosidase	0.874	0.608	0.414	0.876	−0.748	0.856	0.827	0.701
L-asparaginase	0.839	0.265	0.273	0.717	−0.757	0.759	0.713	0.695	0.709

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