condition mean min max 12pM Fe,Midday 11.6722 11.6722 11.6722 12pM Fe,Midnight 52.3194 50.2098 54.429 58pM Fe,Midday 4.22514 4.22514 4.22514 58pM Fe,Midnight 50.43184285714286 0.0 75.4509 233pM Fe,Midnight 42.570366666666665 39.4667 46.5883 1160pM Fe,Midday 1.4987741428571428 0.424438 3.44564 1160pM Fe,Midnight 29.543591666666668 23.2624 36.9338 High carbon,Dark 35.314526666666666 11.1167 104.271 High carbon,Light 18.431346615384616 0.982406 49.6864 Low carbon,Dark 31.8989 31.8989 31.8989 Phloroglucinol 7.012583333333333 4.33761 8.72111 Silicon starvation,12h 36.2243 36.2243 36.2243