condition mean min max 12pM Fe,Midday 54.6981 54.6981 54.6981 12pM Fe,Midnight 52.280249999999995 50.4505 54.11 58pM Fe,Midday 61.9397 61.9397 61.9397 58pM Fe,Midnight 52.072042857142854 0.0 64.8518 233pM Fe,Midnight 86.61363333333334 82.7496 91.1195 1160pM Fe,Midday 53.195657142857144 47.8399 60.1671 1160pM Fe,Midnight 72.01164166666666 57.5893 90.1701 High carbon,Dark 78.01096 18.5771 131.046 High carbon,Light 60.163984615384614 20.5527 110.159 Low carbon,Dark 46.5574 46.5574 46.5574 Phloroglucinol 39.79776666666667 28.406 45.695 Silicon starvation,12h 65.0217 65.0217 65.0217