condition mean min max 12pM Fe,Midday 31.4485 31.4485 31.4485 12pM Fe,Midnight 37.54425 31.3035 43.785 58pM Fe,Midday 33.5913 33.5913 33.5913 58pM Fe,Midnight 38.706585714285715 29.1971 79.8537 233pM Fe,Midnight 68.63243333333334 65.6103 70.8776 1160pM Fe,Midday 20.704842857142857 18.351 23.5411 1160pM Fe,Midnight 53.693375 43.2805 64.7409 High carbon,Dark 76.43734 44.0964 120.122 High carbon,Light 76.07450769230769 19.2218 105.26 Low carbon,Dark 41.2471 41.2471 41.2471 Phloroglucinol 26.9784 19.7403 35.3308 Silicon starvation,12h 120.012 120.012 120.012