condition mean min max 12pM Fe,Midday 91.3581 91.3581 91.3581 12pM Fe,Midnight 127.337 123.929 130.745 58pM Fe,Midday 99.4318 99.4318 99.4318 58pM Fe,Midnight 127.80447142857143 66.3243 149.744 233pM Fe,Midnight 85.73763333333333 84.3497 88.4837 1160pM Fe,Midday 100.46111428571429 91.9374 109.214 1160pM Fe,Midnight 103.6163 86.592 115.503 High carbon,Dark 71.16840466666666 5.23257 127.024 High carbon,Light 47.14244615384615 18.8417 71.1238 Low carbon,Dark 58.5162 58.5162 58.5162 Phloroglucinol 49.01116666666667 41.4873 61.4733 Silicon starvation,12h 19.6564 19.6564 19.6564