Table 1 ¹⁵N-amino sugar contents during the incubations under wetting and drying treatments amended with (¹⁵NH₄)₂SO₄ (mean ± SD).

CW

GluN

0.39 ± 0.25

2.01 ± 0.33

2.48 ± 0.47

2.71 ± 0.33

2.31 ± 0.19

GalN

—^b

—

—

—

—

MurN

0.10 ± 0.05

0.17 ± 0.04

0.25 ± 0.08

0.26 ± 0.15

0.27 ± 0.07

1st

2nd

4th

6th

9th

LD

GluN

—

—

—

—

—

GalN

—

—

—

—

—

MurN

0.19 ± 0.03

0.19 ± 0.07

0.40 ± 0.11

0.15 ± 0.05

0.19 ± 0.04

1st

2nd

4th

6th

7th

MD

GluN

1.79 ± 0.56

2.29 ± 0.81

3.17 ± 1.73

2.81 ± 1.02

2.44 ± 0.66

GalN

0.95 ± 0.79

1.16 ± 0.63

1.87 ± 0.86

1.05 ± 0.67

1.04 ± 1.06

MurN

0.34 ± 0.15

0.55 ± 0.46

1.29 ± 1.95

0.47 ± 0.35

0.93 ± 0.11

1st

2nd

4th

6th

SD

GluN

—

—

—

—

GalN

—

—

—

—

MurN

—

—

—

—