condition mean min max 12pM Fe,Midday 19.4593 19.4593 19.4593 12pM Fe,Midnight 14.63875 12.8475 16.43 58pM Fe,Midday 21.3101 21.3101 21.3101 58pM Fe,Midnight 10.198645714285714 0.0 13.5508 233pM Fe,Midnight 11.070843333333332 9.14943 12.3586 1160pM Fe,Midday 11.450738571428571 8.43701 13.3393 1160pM Fe,Midnight 4.652885833333333 1.95391 9.35875 High carbon,Dark 15.396068666666666 6.61649 24.4586 High carbon,Light 15.138336153846154 5.21757 22.65 Low carbon,Dark 15.3407 15.3407 15.3407 Phloroglucinol 20.819966666666666 18.2302 23.7525 Silicon starvation,12h 18.3068 18.3068 18.3068