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 6.796571428571428 0.0 23.6482 233pM Fe,Midnight 3.9898133333333337 0.0 6.04816 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 1.2448533333333334 0.0 8.07259 High carbon,Dark 4.7758 0.0 30.6868 High carbon,Light 3.3724384615384615 0.0 30.9026 Low carbon,Dark 15.5217 15.5217 15.5217 Phloroglucinol 51.4505 41.8989 60.39 Silicon starvation,12h 5.43482 5.43482 5.43482