condition mean min max 12pM Fe,Midday 45.049 45.049 45.049 12pM Fe,Midnight 40.69245 37.5601 43.8248 58pM Fe,Midday 30.5833 30.5833 30.5833 58pM Fe,Midnight 29.723642857142856 0.0 40.5207 233pM Fe,Midnight 34.6665 32.1666 38.8517 1160pM Fe,Midday 34.083085714285716 28.0963 39.4947 1160pM Fe,Midnight 40.743991666666666 31.8306 51.2123 High carbon,Dark 39.54812 17.2145 83.0944 High carbon,Light 42.43054615384615 12.8032 86.3187 Low carbon,Dark 30.2908 30.2908 30.2908 Phloroglucinol 54.81923333333334 45.2635 59.6625 Silicon starvation,12h 82.6393 82.6393 82.6393