Table 2.
Test run to demonstrate control and actuation of nutrients in the IoT set-up.
| Date | Iteration No. | Measured Ammonium Concentration (ppm) | Amount of Ammonium Sulfate Added | Measured Calcium Concentration (ppm) | Amount of Calcium Nitrate Added |
|---|---|---|---|---|---|
| 22 October 2021 | 1 | 1.1 | 0.5 g | 29.7 | 0.5 g |
| 2 | 1.39 | 0.5 g | 31.1 | 0.5 g | |
| 3 | 1.65 | 0 | 31.41 | 0.5 g | |
| 4 | 1.65 | 0 | 31.7 | 0.5 g | |
| 5 | 1.65 | 0 | 32.1 | 0 | |
| 10 November 2021 | 1 | 1.4 | 0.5 g | 30.2 | 0.5 g |
| 2 | 1.68 | 0 | 30.5 | 0.5 g | |
| 3 | 1.68 | 0 | 31.2 | 0.5 g | |
| 4 | 1.68 | 0 | 31.57 | 0.5 g | |
| 5 | 1.68 | 0 | 32.3 | 0 | |
| 9 December 2021 | 1 | 1.32 | 0.5 g | 32.8 | 0 |
| 2 | 1.6 | 0 | 32.8 | 0 | |
| 8 January 2022 | 1 | 1 | 0.5 g | 31.8 | 0.5 g |
| 2 | 1.3 | 0.5 g | 32.14 | 0.5 g | |
| 3 | 1.6 | 0 g | 32.5 | 0 g | |
| 3 February 2022 | 1 | 1.4 | 0.5 g | 32.3 | 0 g |
| 2 | 1.72 | 0 | 32.3 | 0 g |