| Treatments | Depths (cm) | |||
| 0 - 10 | 10 - 20 | |||
| Pr. De. | Pr. Do. | Pr. De. | Pr. Do. | |
| Cajanus cajan | 10.27 | 11.03 | 18.83 | 6.86 |
| Canavalia ensiformis | 9.56 | 33.78 | 5.41 | 50.83 |
| Crotalaria juncea | 17.7 | 5.13 | 3.15 | 30.85 |
| Crotalaria ochroleuca | 3.66 | 5.4 | 29.73 | 14.26 |
| Crotalaria spectabilis | 5.66 | 10.54 | 14.68 | 23.78 |
| Mucuna aterrima | 5.43 | 3.45 | 44.84 | 2.55 |
| Mucuna cinereum | 12.57 | 64.67 | 11.34 | 9.44 |
| Pennisetum glaucum | 7.28 | 6.81 | 19.65 | 5.44 |
| Fallow | 8.41 | 11.78 | 11.89 | 10.6 |
| Sorghum bicolor | 6.06 | 20.37 | 3.25 | 3.68 |
| Sorghum sudanense | 5.92 | 14.17 | 25.33 | 11.6 |
| Urochloa brizanha cv. Xaraés | 2.62 | 5.77 | 19.07 | 17.04 |
| Urochloa brizantha cv. Piatã | 7.02 | 7.87 | 5.65 | 3.27 |
| Urochloa ruziziensis | 13.7 | 21.76 | 281.06 | 6.86 |
| Zea mays | 18.28 | 9.2 | 56.89 | 4.27 |