condition mean min max 12pM Fe,Midday 37.6717 37.6717 37.6717 12pM Fe,Midnight 38.025 34.907 41.143 58pM Fe,Midday 32.0195 32.0195 32.0195 58pM Fe,Midnight 32.93271428571428 28.0345 47.9993 233pM Fe,Midnight 17.759966666666667 17.1587 18.2103 1160pM Fe,Midday 27.21892857142857 23.3956 33.2695 1160pM Fe,Midnight 20.81605 17.2308 27.9213 High carbon,Dark 39.35952 13.5263 198.596 High carbon,Light 24.54785153846154 1.90777 49.5783 Low carbon,Dark 12.5063 12.5063 12.5063 Phloroglucinol 59.387233333333334 52.5426 71.7538 Silicon starvation,12h 64.379 64.379 64.379