condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.796138 0.0 2.92563 233pM Fe,Midnight 0.4112146666666667 0.244183 0.498831 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.43810875 0.0 0.888606 High carbon,Dark 1.1391426 0.0 4.76248 High carbon,Light 1.0143321538461538 0.0 9.34538 Low carbon,Dark 7.04098 7.04098 7.04098 Phloroglucinol 1.0182543333333334 0.747113 1.23417 Silicon starvation,12h 3.13771 3.13771 3.13771