condition mean min max 12pM Fe,Midday 11.7527 11.7527 11.7527 12pM Fe,Midnight 15.995249999999999 12.4227 19.5678 58pM Fe,Midday 17.9004 17.9004 17.9004 58pM Fe,Midnight 12.983114285714285 0.0 16.0586 233pM Fe,Midnight 24.371266666666667 23.9105 25.1972 1160pM Fe,Midday 8.703227142857143 7.23517 10.9433 1160pM Fe,Midnight 25.66254916666667 6.19584 49.8375 High carbon,Dark 23.373396 7.19842 40.9593 High carbon,Light 21.541734615384616 0.0 72.5923 Low carbon,Dark 11.2707 11.2707 11.2707 Phloroglucinol 8.614236666666667 3.28881 13.2577 Silicon starvation,12h 23.5686 23.5686 23.5686