condition mean min max 12pM Fe,Midday 58.8791 58.8791 58.8791 12pM Fe,Midnight 39.80525 38.3404 41.2701 58pM Fe,Midday 48.453 48.453 48.453 58pM Fe,Midnight 21.083671428571428 0.0 26.723 233pM Fe,Midnight 23.026866666666667 22.7943 23.4325 1160pM Fe,Midday 38.21002857142857 36.1476 42.0476 1160pM Fe,Midnight 13.904125 10.5998 18.5522 High carbon,Dark 23.286639333333333 8.4686 42.8492 High carbon,Light 21.553026923076924 3.06412 43.8598 Low carbon,Dark 24.6679 24.6679 24.6679 Phloroglucinol 113.61976666666666 99.7453 128.322 Silicon starvation,12h 37.017 37.017 37.017