condition mean min max 12pM Fe,Midday 42.4903 42.4903 42.4903 12pM Fe,Midnight 38.6369 38.4675 38.8063 58pM Fe,Midday 42.7389 42.7389 42.7389 58pM Fe,Midnight 22.704171428571428 0.0 29.9948 233pM Fe,Midnight 14.596966666666667 13.6266 15.9814 1160pM Fe,Midday 21.968957142857143 19.9311 23.7507 1160pM Fe,Midnight 15.258658333333333 13.2917 17.2932 High carbon,Dark 14.5476 6.97529 23.4542 High carbon,Light 12.995308461538462 3.82083 27.3168 Low carbon,Dark 9.73714 9.73714 9.73714 Phloroglucinol 23.268 21.8694 24.495 Silicon starvation,12h 23.1942 23.1942 23.1942