Treatments

TN

(g∙kg⁻¹)

AN

(mg∙kg⁻¹)

${\text{NO}}_3^{-}$ -N

(mg∙kg⁻¹)

${\text{NH}}_4^{+}$ -N

(mg∙kg⁻¹）

AN/TN

(%)

${\text{NO}}_3^{-}$ -N/TN

(%)

${\text{NH}}_4^{+}$ -N/TN

(%)

CK

0.54 ± 0.01b

35.22 ± 2.46b

12.52 ± 0.23c

14.73 ± 0.46b

6.47 ± 0.47a

2.30 ± 0.05b

2.70 ± 0.11a

NPK

0.89 ± 0.04a

43.78 ± 2.18a

21.27 ± 2.32b

21.43 ± 1.73a

4.91 ± 0.17b

2.38 ± 0.95a

2.40 ± 0.19a

NPKM

0.87 ± 0.03a

47.39 ± 2.37a

26.46 ± 1.72a

20.91 ± 1.28a

5.46 ± 0.25b

3.07 ± 0.91a

1.72 ± 0.20b