condition mean min max 12pM Fe,Midday 30.1028 30.1028 30.1028 12pM Fe,Midnight 20.59905 16.2549 24.9432 58pM Fe,Midday 15.8794 15.8794 15.8794 58pM Fe,Midnight 10.641857142857143 0.0 17.0021 233pM Fe,Midnight 7.488103333333333 5.74173 8.43059 1160pM Fe,Midday 10.872438571428571 6.48359 14.3593 1160pM Fe,Midnight 4.320145416666667 0.978475 7.83551 High carbon,Dark 8.038118666666666 0.0 17.6678 High carbon,Light 9.04064 0.0 19.6093 Low carbon,Dark 10.3476 10.3476 10.3476 Phloroglucinol 4.720653333333333 3.29393 6.52957 Silicon starvation,12h 15.4807 15.4807 15.4807