condition mean min max 12pM Fe,Midday 70.6442 70.6442 70.6442 12pM Fe,Midnight 83.00055 78.017 87.9841 58pM Fe,Midday 60.9721 60.9721 60.9721 58pM Fe,Midnight 50.50355714285714 22.8716 60.6816 233pM Fe,Midnight 10.41136 9.45238 11.2437 1160pM Fe,Midday 42.23435714285714 30.1801 46.7461 1160pM Fe,Midnight 17.529433333333333 11.4414 28.8565 High carbon,Dark 1.9391571333333333 0.0 4.65062 High carbon,Light 2.5169434615384616 0.281239 8.7175 Low carbon,Dark 1.77732 1.77732 1.77732 Phloroglucinol 4.269063333333333 1.99314 8.15316 Silicon starvation,12h 14.7526 14.7526 14.7526