condition mean min max 12pM Fe,Midday 30.725 30.725 30.725 12pM Fe,Midnight 27.673299999999998 26.6711 28.6755 58pM Fe,Midday 21.9586 21.9586 21.9586 58pM Fe,Midnight 16.182642857142856 0.0 21.6158 233pM Fe,Midnight 10.507566666666667 10.3032 10.7441 1160pM Fe,Midday 9.81402142857143 7.86824 11.1922 1160pM Fe,Midnight 5.844109166666667 2.42866 12.2521 High carbon,Dark 16.296464 1.87296 22.7671 High carbon,Light 10.239231538461539 3.86801 17.891 Low carbon,Dark 8.32115 8.32115 8.32115 Phloroglucinol 4.441703333333334 3.45568 5.63579 Silicon starvation,12h 12.5509 12.5509 12.5509