condition mean min max 12pM Fe,Midday 46.9457 46.9457 46.9457 12pM Fe,Midnight 26.92125 24.4108 29.4317 58pM Fe,Midday 23.0776 23.0776 23.0776 58pM Fe,Midnight 32.31221428571428 0.0 52.4098 233pM Fe,Midnight 8.128376666666666 4.95417 12.934 1160pM Fe,Midday 26.882614285714286 16.938 33.3831 1160pM Fe,Midnight 7.865289166666667 2.28473 12.3568 High carbon,Dark 11.963105333333333 0.0 45.806 High carbon,Light 8.239197692307691 0.0 42.1883 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 25.0835 13.0744 39.0917 Silicon starvation,12h 13.3553 13.3553 13.3553