condition mean min max 12pM Fe,Midday 5.14756 5.14756 5.14756 12pM Fe,Midnight 48.936099999999996 45.7671 52.1051 58pM Fe,Midday 10.9315 10.9315 10.9315 58pM Fe,Midnight 41.63151428571429 0.0 54.7418 233pM Fe,Midnight 55.083333333333336 53.3953 56.9296 1160pM Fe,Midday 0.8084121428571429 0.0 2.03479 1160pM Fe,Midnight 34.433458333333334 21.4228 54.2379 High carbon,Dark 36.2462 11.422 49.8406 High carbon,Light 15.60205 4.04058 34.873 Low carbon,Dark 31.7855 31.7855 31.7855 Phloroglucinol 11.263973333333333 9.03167 15.431 Silicon starvation,12h 32.6073 32.6073 32.6073