condition mean min max 12pM Fe,Midday 22.8009 22.8009 22.8009 12pM Fe,Midnight 19.5942 15.0176 24.1708 58pM Fe,Midday 21.5203 21.5203 21.5203 58pM Fe,Midnight 19.335114285714287 0.0 25.4075 233pM Fe,Midnight 17.764366666666668 13.253 22.1368 1160pM Fe,Midday 21.830085714285715 18.6847 24.9286 1160pM Fe,Midnight 11.833989166666667 7.87994 15.9405 High carbon,Dark 17.581429333333332 4.07879 32.7775 High carbon,Light 18.19353153846154 1.78976 40.9743 Low carbon,Dark 14.8202 14.8202 14.8202 Phloroglucinol 11.984733333333333 6.1913 16.8177 Silicon starvation,12h 22.4865 22.4865 22.4865