condition mean min max 12pM Fe,Midday 40.4036 40.4036 40.4036 12pM Fe,Midnight 30.69925 28.649 32.7495 58pM Fe,Midday 26.8133 26.8133 26.8133 58pM Fe,Midnight 19.302842857142856 0.0 25.1449 233pM Fe,Midnight 19.678966666666668 18.2465 21.1787 1160pM Fe,Midday 22.533471428571428 18.9438 24.1174 1160pM Fe,Midnight 25.537665 8.75488 35.8925 High carbon,Dark 23.427546666666668 11.3007 39.4231 High carbon,Light 23.093677692307693 8.39511 45.0189 Low carbon,Dark 15.4481 15.4481 15.4481 Phloroglucinol 38.38043333333333 33.3229 43.3146 Silicon starvation,12h 62.542 62.542 62.542