condition mean min max 12pM Fe,Midday 69.9434 69.9434 69.9434 12pM Fe,Midnight 47.607150000000004 46.5085 48.7058 58pM Fe,Midday 50.8242 50.8242 50.8242 58pM Fe,Midnight 42.244142857142855 34.6321 75.3453 233pM Fe,Midnight 39.98596666666667 38.4108 41.7369 1160pM Fe,Midday 48.1544 44.1612 55.954 1160pM Fe,Midnight 32.379841666666664 26.7858 39.0213 High carbon,Dark 51.6518 27.016 78.4523 High carbon,Light 48.59943846153846 18.9662 125.742 Low carbon,Dark 36.1631 36.1631 36.1631 Phloroglucinol 55.40286666666667 49.6721 60.793 Silicon starvation,12h 57.5228 57.5228 57.5228