condition mean min max 12pM Fe,Midday 71.2261 71.2261 71.2261 12pM Fe,Midnight 36.479749999999996 34.9737 37.9858 58pM Fe,Midday 36.6294 36.6294 36.6294 58pM Fe,Midnight 24.255871428571428 0.0 32.183 233pM Fe,Midnight 20.165533333333332 18.8875 21.2309 1160pM Fe,Midday 23.34497142857143 16.3086 33.0322 1160pM Fe,Midnight 26.560641666666665 20.1744 36.1636 High carbon,Dark 63.591813333333334 11.5783 106.708 High carbon,Light 60.27799615384615 4.94779 109.342 Low carbon,Dark 25.7199 25.7199 25.7199 Phloroglucinol 35.11966666666667 27.3262 50.1854 Silicon starvation,12h 23.2069 23.2069 23.2069