condition mean min max 12pM Fe,Midday 31.5098 31.5098 31.5098 12pM Fe,Midnight 25.33345 22.3792 28.2877 58pM Fe,Midday 19.3025 19.3025 19.3025 58pM Fe,Midnight 14.780857142857142 0.0 20.7281 233pM Fe,Midnight 14.656466666666667 12.521 16.1012 1160pM Fe,Midday 17.198571428571427 11.8878 20.2765 1160pM Fe,Midnight 7.1144783333333335 3.00993 10.5436 High carbon,Dark 15.897456 5.549 24.4755 High carbon,Light 13.59324123076923 0.634196 27.2892 Low carbon,Dark 10.0654 10.0654 10.0654 Phloroglucinol 37.9463 32.1097 43.7583 Silicon starvation,12h 40.1467 40.1467 40.1467