condition mean min max 12pM Fe,Midday 22.3336 22.3336 22.3336 12pM Fe,Midnight 28.6755 26.9978 30.3532 58pM Fe,Midday 9.12083 9.12083 9.12083 58pM Fe,Midnight 28.353757142857145 19.8164 67.8572 233pM Fe,Midnight 19.6549 18.696 20.4469 1160pM Fe,Midday 8.49407 7.09152 9.62049 1160pM Fe,Midnight 13.530270833333333 7.69203 21.815 High carbon,Dark 8.797978666666667 2.49727 17.3478 High carbon,Light 4.311842307692308 1.34852 9.1784 Low carbon,Dark 10.5462 10.5462 10.5462 Phloroglucinol 11.30211 9.62373 13.637 Silicon starvation,12h 21.5044 21.5044 21.5044