condition mean min max 12pM Fe,Midday 62.4262 62.4262 62.4262 12pM Fe,Midnight 41.012100000000004 37.2339 44.7903 58pM Fe,Midday 50.5275 50.5275 50.5275 58pM Fe,Midnight 24.33727142857143 0.0 40.8436 233pM Fe,Midnight 27.337933333333332 25.1986 28.9318 1160pM Fe,Midday 36.035114285714286 29.8093 43.3594 1160pM Fe,Midnight 14.167119166666668 6.78279 25.0435 High carbon,Dark 32.00518 16.4479 55.0429 High carbon,Light 24.605332615384615 0.678844 58.5259 Low carbon,Dark 13.3681 13.3681 13.3681 Phloroglucinol 26.943233333333332 20.8044 37.5856 Silicon starvation,12h 43.5034 43.5034 43.5034