Research Article
A Study on the Valorization of Rice Straw into Different Value-Added Products and Biofuels
Table 4
Physicochemical analysis of the collected rice straw.
| Parameters | Rice straw | Egyptian organic fertilizer standard (8079/2017) |
| Electrical conductivity (dS/m) | 1.14 ± 0.2 | 6–10 | Total dissolve solids (mg/L) | 729.6 ± 0.2 | 3840–6400 | Organic C (%) | 27.63 ± 0.5 | Min 9 | Organic matter (%) | 47.52 ± 0.5 | Min 16 | Moisture content (%) | 7.20 ± 0.6 | Max 30 | Total nitrogen (%) | 1.82 ± 0.2 | Min 0.5 | P2O5 (%) | 0.025 ± 0.01 | Min 0.6 | K2O (%) | 0.004 ± 0.001 | Min 0.4 | N + P2O5 + K2O (%) | 1.85 ± 0.07 | Min 1.5 | C/N | 15.18 ± 0.2 | 18–22 : 1 | pH | 6.82 ± 0.05 | 6–8 |
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