condition mean min max 12pM Fe,Midday 36.1498 36.1498 36.1498 12pM Fe,Midnight 19.800150000000002 19.0726 20.5277 58pM Fe,Midday 29.3468 29.3468 29.3468 58pM Fe,Midnight 17.903942857142855 0.0 23.0336 233pM Fe,Midnight 16.9781 16.4948 17.3582 1160pM Fe,Midday 19.956942857142856 18.5072 21.0717 1160pM Fe,Midnight 19.25615833333333 15.823 21.4012 High carbon,Dark 17.90716 4.911 24.3339 High carbon,Light 15.785449230769231 3.86366 28.7812 Low carbon,Dark 13.0538 13.0538 13.0538 Phloroglucinol 10.149723333333334 7.40697 13.6827 Silicon starvation,12h 33.5619 33.5619 33.5619