condition mean min max 12pM Fe,Midday 17.1589 17.1589 17.1589 12pM Fe,Midnight 15.0537 14.4164 15.691 58pM Fe,Midday 11.3873 11.3873 11.3873 58pM Fe,Midnight 11.805057142857143 0.0 15.4675 233pM Fe,Midnight 7.888529999999999 7.39922 8.43606 1160pM Fe,Midday 11.609514285714285 10.5273 13.741 1160pM Fe,Midnight 5.814525 3.43739 9.74963 High carbon,Dark 13.105926666666667 2.22724 20.9731 High carbon,Light 9.248694615384615 1.30243 18.2699 Low carbon,Dark 11.1771 11.1771 11.1771 Phloroglucinol 5.321213333333334 4.4492 6.65144 Silicon starvation,12h 12.0774 12.0774 12.0774