Day 3 | Day 5 | Mean dry weight production | |||||||
---|---|---|---|---|---|---|---|---|---|
Day 0 - 3 | |||||||||
CO2treatment | PFD | pH | O2(mg l-1) | Dry w. (mg l-1) | pH | Dry w. (mg l-1) | mg l-1day-1 | g m-2day-1 | g mol-1 |
2.6% C | 75 | 7.1±0.0 | 7.5±0.2 | 798±27 | 6.9±0.1 | 1360±149 | 266±9 | 16.2±0.6 | 2.50±0.09 |
2.6% C | 300 | 7.0±0.1 | 8.3±0.1 | 3297±46 | 6.8±0.1 | 3040±94 | 1099±15 | 67.0±0.9 | 2.59±0.04 |
2.5% Fl | 75 | 7.3±0.1 | 7.8±0.4 | 877±84 | 7.1±0.1 | 1338±88 | 292±28 | 17.8±1.7 | 2.74±0.26 |
2.5% Fl | 300 | 7.0±0.0 | 8.5±0.1 | 3527±48 | 6.8±0.1 | 3423±91 | 1175±16 | 71.7±0.9 | 2.77±0.04 |
6.7% Fl | 75 | 7.0±0.1 | 7.0±0.3 | 845±36 | 6.6±0.1 | 1343±70 | 282±12 | 17.2±0.8 | 2.64±0.12 |
6.7% Fl | 300 | 6.7±0.0 | 7.5±0.2 | 3663±124 | 6.4±0.2 | 3343±91 | 1221±41 | 74.5±2.5 | 2.89±0.10 |
11.4% Fl | 75 | 6.8±0.1 | 6.4±0.2 | 777±14 | 6.5±0.1 | 1147±23 | 259±5 | 15.8±0.3 | 2.43±0.04 |
11.4% Fl | 300 | 6.7±0.1 | 7.3±0.2 | 2933±36 | 6.5±0.1 | 2843±45 | 978±12 | 59.6±0.7 | 2.30±0.03 |
F-value and significance level: | |||||||||
CO2 | 64.5*** | 50.9*** | 17.6*** | 25.6*** | 3.54* | 17.6*** | 17.6*** | 5.73** | |
PFD | 91.1*** | 77.4*** | 3512*** | 10.7** | 403*** | 3511*** | 3511*** | 0.51 | |
CO2 x PFD | 3.79* | 0.59 | 10.9*** | 1.32 | 1.25 | 10.9*** | 10.9*** | 0.89 |