condition mean min max 12pM Fe,Midday 92.427 92.427 92.427 12pM Fe,Midnight 84.86 76.8964 92.8236 58pM Fe,Midday 84.3664 84.3664 84.3664 58pM Fe,Midnight 58.93572857142857 0.0 73.3306 233pM Fe,Midnight 67.42216666666667 63.4511 73.378 1160pM Fe,Midday 58.92355714285714 52.2999 66.8753 1160pM Fe,Midnight 52.03608333333333 42.3303 62.4289 High carbon,Dark 81.21133333333333 61.7229 118.79 High carbon,Light 71.38329999999999 32.0689 142.576 Low carbon,Dark 51.6444 51.6444 51.6444 Phloroglucinol 77.5457 54.3335 102.3 Silicon starvation,12h 69.7484 69.7484 69.7484