condition mean min max 12pM Fe,Midday 46.2866 46.2866 46.2866 12pM Fe,Midnight 40.84035 38.5973 43.0834 58pM Fe,Midday 40.9565 40.9565 40.9565 58pM Fe,Midnight 43.81632857142857 33.6699 87.9906 233pM Fe,Midnight 25.880633333333332 22.5057 28.0791 1160pM Fe,Midday 30.813585714285715 27.524 32.3936 1160pM Fe,Midnight 25.544533333333334 14.3316 37.0135 High carbon,Dark 18.852610666666667 9.94046 30.8477 High carbon,Light 14.1379 2.01174 32.0984 Low carbon,Dark 13.6753 13.6753 13.6753 Phloroglucinol 23.3549 22.6451 23.9464 Silicon starvation,12h 26.3356 26.3356 26.3356