condition mean min max 12pM Fe,Midday 98.7795 98.7795 98.7795 12pM Fe,Midnight 48.648799999999994 47.47 49.8276 58pM Fe,Midday 64.4646 64.4646 64.4646 58pM Fe,Midnight 31.70228571428571 0.0 40.4958 233pM Fe,Midnight 18.401500000000002 17.3719 19.1168 1160pM Fe,Midday 46.444857142857146 42.0571 51.5379 1160pM Fe,Midnight 14.8393 10.2307 21.607 High carbon,Dark 27.756726666666665 5.2013 43.6382 High carbon,Light 22.70034076923077 3.86398 52.0781 Low carbon,Dark 18.131 18.131 18.131 Phloroglucinol 24.2085 13.5723 31.3289 Silicon starvation,12h 44.9993 44.9993 44.9993