condition mean min max 12pM Fe,Midday 65.6907 65.6907 65.6907 12pM Fe,Midnight 61.82415 61.7632 61.8851 58pM Fe,Midday 80.4784 80.4784 80.4784 58pM Fe,Midnight 59.36242857142857 41.478 65.6512 233pM Fe,Midnight 48.32566666666666 47.5927 49.4621 1160pM Fe,Midday 64.56461428571428 53.7712 68.0256 1160pM Fe,Midnight 112.267275 35.5338 171.902 High carbon,Dark 65.98161333333333 10.1711 143.89 High carbon,Light 61.7387 16.898 129.264 Low carbon,Dark 85.7941 85.7941 85.7941 Phloroglucinol 67.4814 44.7398 86.0522 Silicon starvation,12h 217.119 217.119 217.119