Table 1.
Formulation for the preparation of the composts based on brachiaria straw and oat.
| Compost | ||||||
|---|---|---|---|---|---|---|
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| Ingredients | Carbon (%) | Nitrogen (%) | Brachiaria (kg) | Oat (kg) | ||
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| FM | DM | FM | DM | |||
| Sugarcane bagasse | 50.0 | 0.52 | 300.0 | 207.0 | 300.0 | 207.0 |
| Brachiaria | 48.1 | 1.26 | 130.0 | 114.4 | ||
| Oat | 49.4 | 0.71 | 130.0 | 115.7 | ||
| Soy bran | 50.0 | 7.8 | 45.0 | 43.2 | 57.5 | 55.2 |
| Urea | 27.0 | 45.0 | 3.0 | 3.0 | 3.0 | 3.0 |
| Compost mass | 478.0 | 367.6 | 490.5 | 380.9 | ||
| Initial carbon | 180.9 | 189.1 | ||||
| Initial nitrogen | 7.3 | 7.6 | ||||
| C/N initial ratio | 25/1 | 25/1 | ||||
| CN final ratio | 18/1 | 19/1 | ||||
*FM = Fresh mass e DM = Dry mass.