condition mean min max 12pM Fe,Midday 55.9305 55.9305 55.9305 12pM Fe,Midnight 26.227 25.2893 27.1647 58pM Fe,Midday 38.4921 38.4921 38.4921 58pM Fe,Midnight 58.74165714285714 18.2438 288.153 233pM Fe,Midnight 9.061046666666666 8.07693 10.5521 1160pM Fe,Midday 28.5729 26.1379 33.3077 1160pM Fe,Midnight 6.628250833333333 2.54658 9.78715 High carbon,Dark 12.558555333333333 3.85418 20.8326 High carbon,Light 11.875260769230769 1.59068 23.4615 Low carbon,Dark 10.9764 10.9764 10.9764 Phloroglucinol 12.113203333333333 8.97351 15.0324 Silicon starvation,12h 21.0614 21.0614 21.0614