condition mean min max 12pM Fe,Midday 26.4249 26.4249 26.4249 12pM Fe,Midnight 26.25475 24.526 27.9835 58pM Fe,Midday 29.1647 29.1647 29.1647 58pM Fe,Midnight 23.56022857142857 0.0 30.9518 233pM Fe,Midnight 21.5024 18.757 23.0286 1160pM Fe,Midday 23.5221 18.6393 26.5471 1160pM Fe,Midnight 20.084394166666666 8.37336 28.4678 High carbon,Dark 26.557928 4.50342 54.3926 High carbon,Light 24.353293846153846 5.01829 50.9233 Low carbon,Dark 28.6264 28.6264 28.6264 Phloroglucinol 16.142633333333333 12.395 18.5841 Silicon starvation,12h 34.1116 34.1116 34.1116