condition mean min max 12pM Fe,Midday 64.792 64.792 64.792 12pM Fe,Midnight 43.086600000000004 40.0047 46.1685 58pM Fe,Midday 46.1833 46.1833 46.1833 58pM Fe,Midnight 38.993942857142855 0.0 58.6069 233pM Fe,Midnight 64.78066666666666 59.7784 67.995 1160pM Fe,Midday 51.41507142857143 38.9616 72.7248 1160pM Fe,Midnight 40.170091666666664 22.1931 71.1486 High carbon,Dark 25.158483333333333 7.33265 36.2664 High carbon,Light 13.02971153846154 3.0579 25.148 Low carbon,Dark 22.4217 22.4217 22.4217 Phloroglucinol 11.402563333333333 8.17459 15.4131 Silicon starvation,12h 20.139 20.139 20.139