condition mean min max 12pM Fe,Midday 19.3963 19.3963 19.3963 12pM Fe,Midnight 17.7139 15.5294 19.8984 58pM Fe,Midday 12.7823 12.7823 12.7823 58pM Fe,Midnight 11.678714285714285 0.0 15.4579 233pM Fe,Midnight 14.1575 13.7978 14.3379 1160pM Fe,Midday 15.224885714285714 13.6544 16.7195 1160pM Fe,Midnight 17.158083333333334 11.3154 26.0841 High carbon,Dark 22.851786666666666 12.4423 35.3591 High carbon,Light 17.519915384615384 1.0246 30.6111 Low carbon,Dark 14.5063 14.5063 14.5063 Phloroglucinol 20.242 18.3171 23.4439 Silicon starvation,12h 22.4412 22.4412 22.4412