condition mean min max 12pM Fe,Midday 66.7312 66.7312 66.7312 12pM Fe,Midnight 61.01235 57.4192 64.6055 58pM Fe,Midday 30.4651 30.4651 30.4651 58pM Fe,Midnight 38.90882857142857 29.1314 44.5066 233pM Fe,Midnight 30.39056666666667 29.0141 31.8119 1160pM Fe,Midday 40.26278571428571 37.6056 45.0362 1160pM Fe,Midnight 61.63070833333334 19.2575 90.8443 High carbon,Dark 31.917666666666666 11.7075 51.332 High carbon,Light 30.695476923076924 13.2283 51.6777 Low carbon,Dark 18.31 18.31 18.31 Phloroglucinol 48.297066666666666 13.8077 67.2804 Silicon starvation,12h 48.4394 48.4394 48.4394