condition mean min max 12pM Fe,Midday 80.5288 80.5288 80.5288 12pM Fe,Midnight 54.19135 52.2241 56.1586 58pM Fe,Midday 116.224 116.224 116.224 58pM Fe,Midnight 49.77524285714286 0.0 79.1676 233pM Fe,Midnight 44.65493333333333 42.7315 46.9281 1160pM Fe,Midday 51.32644285714286 44.6371 55.515 1160pM Fe,Midnight 50.716366666666666 34.0624 60.2746 High carbon,Dark 46.422913333333334 22.2282 63.379 High carbon,Light 41.55540769230769 17.7559 59.4344 Low carbon,Dark 40.4331 40.4331 40.4331 Phloroglucinol 54.65023333333333 33.4646 83.4266 Silicon starvation,12h 64.9523 64.9523 64.9523