Table 5 Effects of crop residue incorporation and K fertilization on soil MBN/TN ratio (%)

Control

6.00 ± 0.29a

7.76 ± 0.39a

10.78 ± 0.69a

7.23 ± 0.07a

6.67 ± 0.30a

7.78 ± 0.45ab

10.22 ± 0.22ab

8.34 ± 0.57a

W0C1

5.63 ± 0.19a

8.09 ± 0.30a

10.65 ± 0.90a

7.51 ± 0.21a

6.57 ± 0.34a

8.04 ± 0.36a

10.52 ± 0.20a

8.47 ± 0.48a

W1C0

5.63 ± 0.24a

6.44 ± 0.29b

8.95 ± 0.14b

6.75 ± 0.15b

6.30 ± 0.15a

7.26 ± 0.23bc

9.22 ± 0.40c

8.22 ± 0.49a

W1C1

5.72 ± 0.24a

6.45 ± 0.14b

9.98 ± 0.26ab

7.52 ± 0.19a

6.52 ± 0.16a

7.01 ± 0.36c

9.67 ± 0.41bc

8.30 ± 0.05a

K150

5.96 ± 0.25a

7.82 ± 0.05a

10.80 ± 0.63a

7.28 ± 0.34a

6.78 ± 0.33a

7.77 ± 0.17ab

10.28 ± 0.58ab

8.62 ± 0.32a

K300

6.00 ± 0.28a

7.76 ± 0.45a

10.84 ± 0.63a

7.23 ± 0.23a

6.71 ± 0.16a

8.01 ± 0.44a

10.45 ± 0.47a

8.45 ± 0.30a

F value

1.63

17.71**

4.65*

5.55**

1.39

4.44*

4.85*

0.38