condition mean min max 12pM Fe,Midday 63.7545 63.7545 63.7545 12pM Fe,Midnight 39.00005 33.97 44.0301 58pM Fe,Midday 40.0867 40.0867 40.0867 58pM Fe,Midnight 23.93517142857143 0.0 31.3221 233pM Fe,Midnight 13.934133333333333 13.2474 14.9098 1160pM Fe,Midday 20.491257142857144 17.972 22.747 1160pM Fe,Midnight 14.734216666666667 11.3464 17.8288 High carbon,Dark 18.638477333333334 4.96095 43.1547 High carbon,Light 14.620213846153845 5.17638 33.0438 Low carbon,Dark 15.2587 15.2587 15.2587 Phloroglucinol 18.225133333333332 12.2844 26.0391 Silicon starvation,12h 2.53077 2.53077 2.53077