condition mean min max 12pM Fe,Midday 21.3987 21.3987 21.3987 12pM Fe,Midnight 42.8748 42.7874 42.9622 58pM Fe,Midday 29.8044 29.8044 29.8044 58pM Fe,Midnight 39.240257142857146 35.2174 45.9043 233pM Fe,Midnight 47.591766666666665 47.4714 47.7359 1160pM Fe,Midday 6.594164285714285 5.1471 8.28905 1160pM Fe,Midnight 82.32511666666667 70.2491 99.0216 High carbon,Dark 63.75927333333333 18.3709 114.702 High carbon,Light 53.39677084615385 0.416915 110.696 Low carbon,Dark 25.4351 25.4351 25.4351 Phloroglucinol 31.9069 15.9087 41.5095 Silicon starvation,12h 54.4502 54.4502 54.4502