Rotation

Treatment

Total-C (g∙kg⁻¹)

Total-N (g∙kg⁻¹)

Exchangeable Al³⁺ (cmol∙kg⁻¹)

P-Bray (mg∙kg⁻¹)

pH-H₂O

Sorghum-Sorghum

te

1.98a

0.18a

0.00a

4.60a

5.4c

fmr

2.16a

0.19a

0.11b

18.90b

4.0a

fmo

3.31c

0.37c

0.00a

33.80d

4.6b

fm

2.32a

0.28b

0.25c

26.00c

4.0a

FMO

6.92d

0.61d

0.00a

48.30e

5.9d

FM

2.42ab

0.21a

0.45d

20.00b

3.9a

Sorghum-Cowpea

te

1.91a

0.19a

0.00a

4.40a

4.8c

fmr

2.25a

0.20a

0.15b

11.60b

4.0a

fmo

3.81c

0.31b

0.00a

22.00d

4.4b

fm

2.60b

0.25a

0.20c

17.60c

4.0a

FMO

7.80d

0.68c

0.00a

35.10e

5.9d

FM

2.87b

0.22a

0.26c

16.30c

3.9a