condition mean min max 12pM Fe,Midday 71.0145 71.0145 71.0145 12pM Fe,Midnight 69.5936 68.0435 71.1437 58pM Fe,Midday 51.007 51.007 51.007 58pM Fe,Midnight 53.20045714285714 0.0 69.5439 233pM Fe,Midnight 28.505333333333333 27.1548 29.7065 1160pM Fe,Midday 35.1505 32.8419 39.1216 1160pM Fe,Midnight 32.802641666666666 28.3318 37.3889 High carbon,Dark 32.566709333333336 5.22864 60.5278 High carbon,Light 24.204996153846153 3.27098 59.1601 Low carbon,Dark 31.3177 31.3177 31.3177 Phloroglucinol 11.300286666666667 9.57446 12.7336 Silicon starvation,12h 19.5604 19.5604 19.5604