condition mean min max 12pM Fe,Midday 42.7276 42.7276 42.7276 12pM Fe,Midnight 28.20065 27.8705 28.5308 58pM Fe,Midday 33.3331 33.3331 33.3331 58pM Fe,Midnight 34.90157142857143 23.4487 89.8762 233pM Fe,Midnight 25.98806666666667 24.72 27.8546 1160pM Fe,Midday 23.067014285714286 19.6497 25.4502 1160pM Fe,Midnight 20.230175 12.7295 30.6083 High carbon,Dark 32.60526 19.424 50.2313 High carbon,Light 29.259630769230768 11.9866 56.6395 Low carbon,Dark 17.255 17.255 17.255 Phloroglucinol 18.161166666666666 14.7054 21.8758 Silicon starvation,12h 51.3545 51.3545 51.3545