condition mean min max 12pM Fe,Midday 52.6085 52.6085 52.6085 12pM Fe,Midnight 33.2817 30.0027 36.5607 58pM Fe,Midday 64.57 64.57 64.57 58pM Fe,Midnight 133.93238571428572 41.9721 603.278 233pM Fe,Midnight 69.74306666666666 59.1847 81.6648 1160pM Fe,Midday 12.050547142857143 7.16437 16.2915 1160pM Fe,Midnight 66.0235 37.5218 115.624 High carbon,Dark 123.30154666666667 11.177 263.646 High carbon,Light 98.68505846153846 0.0 275.745 Low carbon,Dark 19.3035 19.3035 19.3035 Phloroglucinol 72.52456666666666 42.9163 95.9647 Silicon starvation,12h 126.489 126.489 126.489