condition mean min max 12pM Fe,Midday 61.8419 61.8419 61.8419 12pM Fe,Midnight 49.981049999999996 49.848 50.1141 58pM Fe,Midday 57.5632 57.5632 57.5632 58pM Fe,Midnight 35.4801 0.0 48.7147 233pM Fe,Midnight 32.7776 28.2236 35.5973 1160pM Fe,Midday 34.353142857142856 32.0851 42.4053 1160pM Fe,Midnight 30.69295 24.6834 37.9924 High carbon,Dark 46.12060666666667 22.3277 101.717 High carbon,Light 70.86513846153846 15.7749 242.404 Low carbon,Dark 31.3218 31.3218 31.3218 Phloroglucinol 53.893033333333335 51.9822 55.0922 Silicon starvation,12h 49.1235 49.1235 49.1235