condition mean min max 12pM Fe,Midday 20.1973 20.1973 20.1973 12pM Fe,Midnight 23.37805 23.3704 23.3857 58pM Fe,Midday 18.1313 18.1313 18.1313 58pM Fe,Midnight 16.015528571428572 0.0 20.7376 233pM Fe,Midnight 14.9786 14.5584 15.284 1160pM Fe,Midday 17.678557142857144 16.2516 19.2723 1160pM Fe,Midnight 20.234864166666668 9.95937 30.5888 High carbon,Dark 14.411176666666666 5.25152 21.6548 High carbon,Light 12.423941538461538 1.67017 23.0296 Low carbon,Dark 11.6396 11.6396 11.6396 Phloroglucinol 42.35243333333333 34.5212 52.8017 Silicon starvation,12h 15.4001 15.4001 15.4001