condition mean min max 12pM Fe,Midday 31.2883 31.2883 31.2883 12pM Fe,Midnight 28.37885 27.262 29.4957 58pM Fe,Midday 25.4406 25.4406 25.4406 58pM Fe,Midnight 20.903657142857142 0.0 32.7764 233pM Fe,Midnight 13.735966666666666 11.7796 15.799 1160pM Fe,Midday 20.790114285714285 16.8912 28.4127 1160pM Fe,Midnight 13.169164166666667 6.26246 21.3678 High carbon,Dark 27.384048 6.91436 101.86 High carbon,Light 17.749654615384614 2.987 49.2856 Low carbon,Dark 19.2376 19.2376 19.2376 Phloroglucinol 25.2589 13.7772 36.8722 Silicon starvation,12h 25.9814 25.9814 25.9814