condition mean min max 12pM Fe,Midday 54.2722 54.2722 54.2722 12pM Fe,Midnight 44.16315 43.5191 44.8072 58pM Fe,Midday 37.83 37.83 37.83 58pM Fe,Midnight 29.852571428571427 0.0 36.5532 233pM Fe,Midnight 28.135933333333334 27.4912 29.3155 1160pM Fe,Midday 35.7766 32.6624 40.8436 1160pM Fe,Midnight 46.401383333333335 37.8215 56.1881 High carbon,Dark 25.321626000000002 8.95289 33.6255 High carbon,Light 25.550174615384616 3.60081 41.0245 Low carbon,Dark 14.5784 14.5784 14.5784 Phloroglucinol 66.12146666666666 39.1641 84.6595 Silicon starvation,12h 22.7498 22.7498 22.7498