condition mean min max 12pM Fe,Midday 31.482 31.482 31.482 12pM Fe,Midnight 36.8758 34.1567 39.5949 58pM Fe,Midday 31.7406 31.7406 31.7406 58pM Fe,Midnight 44.16231428571429 35.0023 53.8049 233pM Fe,Midnight 51.605066666666666 51.0407 52.5026 1160pM Fe,Midday 30.16817142857143 27.9073 33.4132 1160pM Fe,Midnight 49.14908333333334 41.5221 57.3615 High carbon,Dark 36.76582 16.7922 52.4581 High carbon,Light 33.553215384615385 13.1216 52.0464 Low carbon,Dark 25.8245 25.8245 25.8245 Phloroglucinol 12.8287 10.3379 15.9802 Silicon starvation,12h 35.8245 35.8245 35.8245