Research Article
Optimization of Bioslurry-Available Plant Nutrients Using T. brownii and Acanthaceae spp. Biocatalysts
Table 6
Variation of total Kjeldahl nitrogen (TKN), total ammoniacal nitrogen (TAN), and nitrogen as free nitrates in bioslurry over the retention period.
| | Samples | Parameter | Sample days | | Day 1 | Day 7 | Day 14 | Day 21 | Day 28 |
| | Control | TKN (g/L) | 1.850 ± | 6.183 ± | 11.083 ± | 11.433 ± | 12.367 ± | | TAN (g/L) | 6.716 ± | 6.816 ± | 8.467 ± | 9.635 ± | 10.803 ± | | Free NO−3 (ppm) | 420.810 ± | 421.300 ± | 423.010 ± | 423.070 ± | 424.010 ± | | T. brownii | TKN (g/L) | 1.633 ± | 9.100 ± | 13.533 ± | 13.767 ± | 14.350 ± | | TAN (g/L) | 6.716 ± | 10.511 ± | 11.971 ± | 12.847 ± | 14.599 ± | | Free NO−3 (ppm) | 421.360 ± | 422.460 ± | 424.010 ± | 425.610 ± | 425.770 ± | | Acanthaceae spp. | TKN (g/L) | 1.633 ± | 7.000 ± | 11.433 ± | 12.367 ± | 13.183 ± | | TAN (g/L) | 7.884 ± | 10.803 ± | 11.971 ± | 13.431 ± | 15.767 ± | | Free NO−3 (ppm) | 420.690 ± | 422.410 ± | 424.170 ± | 425.880 ± | 427.870 ± |
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