Con

ConN

Str

StrN

Man

ManN

Total C (mg/g)

2.16 (0.3) b

2.22 (0.8) b

2.48 (0.0) b

2.68 (0.0) b

3.57 (0.0) a

3.56 (0.0) a

Total N (mg/g)

0.15 (0.0) b

0.16 (0.0) b

0.15 (0.0) b

0.17 (0.0) ab

0.27 (0.0) a

0.25 (0.0) ab

CEC (meq/%)

1.95 (0.3) a

2.24 (0.7) a

2.13 (0.6) a

1.99 (0.4) a

2.37 (0.4) a

2.33 (0.4) a

pH KCl

4.58 (0.3) c

4.09 (0.2) d

5.19 (0.2) ab

4.76 (0.2) c

5.51 (0.3) a

5.14 (0.4) b

Total P (mg/kg)

112.67 (17.3) b

96.83 (30.2) b

113.67 (15.1) b

112.67 (20.9) b

147.33 (19.2) a

146.50 (23.4) a

Available P (mg/kg)

30.77 (4.9) bc

28.22 (8.0) bc

31.64 (11.9) bc

26.19 (5.3) c

56.37 (28.1) a

45.53 (18.9) ab

Grain yield (kg/ha)

167 (174) b

207 (124) b

90 (60) b

233 (154) b

730 (319) a

737 (350) a

Plant biomass (kg/ha)

480 (426) b

627 (286) b

300 (192) b

600 (390) b

1893 (779) a

1900 (806) a