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Table 1 Soil enzyme activities under four different N application treatments (nmol g−1 min−1)

From: Response of soil biological properties and bacterial diversity to different levels of nitrogen application in sugarcane fields

Treatments β-Glucosidase Aminopeptidase Acid phosphatase
H 0.25 ± 0.08a 14.00 ± 1.57b 0.42 ± 0.14a
M 0.17 ± 0.02ab 14.09 ± 0.20b 0.25 ± 0.06b
L 0.06 ± 0.01c 11.68 ± 1.87b 0.43 ± 0.04a
CK 0.12 ± 0.01bc 18.55 ± 1.22a 0.12 ± 0.03b
  1. All data are presented as the mean ± SD (standard deviation)
  2. H high N application in the sugarcane soil (964 kg ha−1), M medium N application in the sugarcane soil (482 kg ha−1), L low N application in the sugarcane soil (96 kg ha−1), CK no N application in the sugarcane soil (0 kg ha−1)
  3. Different letters in the same column indicate significant differences between treatments at P < 0.05 among the means of the four treatments