Table 3.
Urine and dung composition for all three experiments (nd = not determined).
| Experiment | Application | DM | Total N | NO3− | NH4+ | pH | TOC | LOI | Compound in urine |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| allantoin | creatinine | uric acid | hippuric acid | urea | |||||||||
| g l−1 | g l−1 | mg l−1 | mg l−1 | mg l−1 | g 100 g DM−1 | mg l−1 | mg l−1 | mg l−1 | mg l−1 | mg N l−1 | |||
| Spring | Natural urine | 53.3 | 8.1 | <0.1 | 554 | 8.25 | 14944 | nd | 1905.6 | 761.7 | 368.0 | 3923.7 | 6521.4 |
| Artificial urine | 43.0 | 8.8 | <0.1 | 17.6 | 8.22 | 9238 | nd | 4306.4 | 920.8 | 221.1 | 6606.9 | 7078.6 | |
| Natural urine + DCD | 52.3 | 7.9 | <0.1 | 644 | 8.26 | 14725 | nd | nd | nd | nd | nd | nd | |
| Summer | Natural urine | 48.2 | 8.57 | 1.04 | 1230 | 7.33 | nd | 55.2 | <400 | 520 | 396 | <500 | 6284 |
| Artificial urine | 41.9 | 9.61 | 0.43 | <50 | 7.51 | nd | 28.9 | 3031 | 768 | 68 | 6120 | 6833 | |
| Natural urine + DCD | 47.1 | 8.72 | 0.84 | 1090 | 7.28 | nd | 55.8 | nd | nd | nd | nd | nd | |
| Autumn | Natural urine | 45.0 | 8.70 | 2.51 | 2020 | 9.17 | nd | 45.2 | <400 | 519 | 347 | 4859 | 7382 |
| Artificial urine | 34.4 | 8.45 | 0.75 | <50 | 7.42 | nd | 41.6 | 3632 | 732 | 219 | 6008 | 7774 | |
| Natural urine + DCD | 40.8 | 9.07 | 2.29 | 2840 | 9.09 | nd | 45.7 | nd | nd | nd | nd | nd | |
| Experiment | Application | DM | Total N | NO3− | NH4+ | pH | TOC | LOI |
|---|---|---|---|---|---|---|---|---|
| g kg−1 | g 100 g DM−1 | mg kg DM−1 | g 100 g DM−1 | mg L−1 | g 100 g DM−1 | |||
| Spring | Dung | 145 | 3.14 | <0.1 | 0.304 | 7.02 | 211150 | nd |
| Summer | Dung | 211 | 1.48 | 21.6 | 0.431 | 7.44 | nd | 25.1 |
| Autumn | Dung | 205 | 1.88 | 20.8 | 0.294 | 7.46 | nd | 46.8 |