condition mean min max 12pM Fe,Midday 597.59 597.59 597.59 12pM Fe,Midnight 143.928 129.083 158.773 58pM Fe,Midday 591.312 591.312 591.312 58pM Fe,Midnight 52.099557142857144 33.7532 79.0341 233pM Fe,Midnight 10.993733333333333 10.5268 11.8788 1160pM Fe,Midday 180.552 165.336 195.954 1160pM Fe,Midnight 50.96425 34.1207 67.7129 High carbon,Dark 50.836373333333334 22.1607 92.4167 High carbon,Light 75.27298461538462 19.8041 193.234 Low carbon,Dark 25.7548 25.7548 25.7548 Phloroglucinol 153.06033333333335 105.008 180.571 Silicon starvation,12h 109.042 109.042 109.042