condition mean min max 12pM Fe,Midday 25.7527 25.7527 25.7527 12pM Fe,Midnight 16.47995 16.0996 16.8603 58pM Fe,Midday 19.7359 19.7359 19.7359 58pM Fe,Midnight 10.967457142857143 0.0 13.6232 233pM Fe,Midnight 15.3578 14.5541 16.1667 1160pM Fe,Midday 18.162 17.0631 19.5362 1160pM Fe,Midnight 4.9753675 3.47615 7.44803 High carbon,Dark 16.246612666666667 4.88402 33.1169 High carbon,Light 13.117763076923078 5.02992 23.0984 Low carbon,Dark 15.1413 15.1413 15.1413 Phloroglucinol 17.145866666666667 12.2922 23.7437 Silicon starvation,12h 24.4626 24.4626 24.4626