Open Access
Table 2
Balance of OC, N and P in the Dehtář pond from May to October 2015 in metric tons and percentages related to total inputs.
| Variable | Organic carbon | Nitrogen | Phosphorus | |||
|---|---|---|---|---|---|---|
|
|
|
|
||||
| (t) | (%) | (t) | (%) | (t) | (%) | |
| Inputs | ||||||
| GPP | 836 | 82 | – | – | – | – |
| Inflow water | 18 | 1.7 | 2.48 | 27 | 0.27 | 13 |
| Rainfall | 2.6 | 0.3 | 0.01 | 0.1 | 0.01 | 0.5 |
| Feed | 133 | 13 | 4.75 | 53 | 1.27 | 63 |
| Manure | 36 | 3.5 | 1.8 | 20 | 0.47 | 23 |
| Total inputs | 1025 | 100 | 9.04 | 100 | 2.02 | 100 |
| Outputs | ||||||
| ER | 807 | 79 | – | – | – | – |
| Outflow and seepage | 17 | 1.7 | 1.27 | 14 | 0.13 | 6 |
| Fish production | 8.8 | 0.9 | 2.3 | 25 | 0.46 | 23 |
| Total outputs | 833 | 81 | 3.57 | 40 | 0.59 | 29 |
| Accumulation in water | 30 | 2.9 | 4.66 | 52 | 0.2 | 10 |
| Retention and/or losses | 162 | 15.8 | 0.81 | 9 | 1.23 | 61 |
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