condition mean min max 12pM Fe,Midday 90.2073 90.2073 90.2073 12pM Fe,Midnight 75.80955 71.5662 80.0529 58pM Fe,Midday 67.0485 67.0485 67.0485 58pM Fe,Midnight 54.60192857142857 0.0 74.1054 233pM Fe,Midnight 85.88326666666667 71.5871 96.9265 1160pM Fe,Midday 40.259928571428574 30.1114 47.1477 1160pM Fe,Midnight 57.09178333333333 24.1743 121.208 High carbon,Dark 108.02141333333333 19.063 154.605 High carbon,Light 85.45807692307693 33.7445 139.642 Low carbon,Dark 136.811 136.811 136.811 Phloroglucinol 30.9345 25.4028 36.4997 Silicon starvation,12h 97.8599 97.8599 97.8599