condition mean min max 12pM Fe,Midday 80.0931 80.0931 80.0931 12pM Fe,Midnight 68.1901 68.1623 68.2179 58pM Fe,Midday 64.6703 64.6703 64.6703 58pM Fe,Midnight 47.6608 0.0 57.947 233pM Fe,Midnight 56.2771 54.8166 57.1385 1160pM Fe,Midday 55.48854285714286 53.3464 59.3316 1160pM Fe,Midnight 45.55455833333333 35.4273 51.8582 High carbon,Dark 60.43875333333333 27.4215 101.279 High carbon,Light 55.27860769230769 25.0339 72.9346 Low carbon,Dark 72.8281 72.8281 72.8281 Phloroglucinol 85.3577 70.8758 103.291 Silicon starvation,12h 112.036 112.036 112.036