condition mean min max 12pM Fe,Midday 49.8442 49.8442 49.8442 12pM Fe,Midnight 41.4473 35.7316 47.163 58pM Fe,Midday 39.8225 39.8225 39.8225 58pM Fe,Midnight 68.96777142857142 44.2663 172.029 233pM Fe,Midnight 39.332766666666664 39.2206 39.4799 1160pM Fe,Midday 35.530971428571426 32.9064 40.8089 1160pM Fe,Midnight 36.7361 22.9565 46.2374 High carbon,Dark 82.64874666666667 44.6207 148.113 High carbon,Light 70.93083846153846 40.4982 117.907 Low carbon,Dark 38.5316 38.5316 38.5316 Phloroglucinol 92.61733333333333 85.2103 100.656 Silicon starvation,12h 79.2973 79.2973 79.2973