condition mean min max 12pM Fe,Midday 34.6233 34.6233 34.6233 12pM Fe,Midnight 31.62375 29.1803 34.0672 58pM Fe,Midday 35.3058 35.3058 35.3058 58pM Fe,Midnight 37.4542 23.0902 91.5103 233pM Fe,Midnight 37.3294 34.4677 40.2597 1160pM Fe,Midday 33.062157142857146 30.5104 35.8694 1160pM Fe,Midnight 22.381408333333333 13.3487 36.08 High carbon,Dark 39.553673333333336 11.8319 71.0181 High carbon,Light 30.73868953846154 0.871754 62.4422 Low carbon,Dark 21.5426 21.5426 21.5426 Phloroglucinol 20.354 13.0198 27.7981 Silicon starvation,12h 40.4977 40.4977 40.4977