condition mean min max 12pM Fe,Midday 61.6488 61.6488 61.6488 12pM Fe,Midnight 48.5376 45.1748 51.9004 58pM Fe,Midday 37.925 37.925 37.925 58pM Fe,Midnight 41.924414285714285 0.0 58.9826 233pM Fe,Midnight 60.196933333333334 58.7379 62.8913 1160pM Fe,Midday 64.95578571428571 60.9753 68.4481 1160pM Fe,Midnight 28.21035 14.4014 41.7418 High carbon,Dark 42.40038333333333 8.20145 86.3613 High carbon,Light 40.318165384615384 9.67825 74.0795 Low carbon,Dark 48.6574 48.6574 48.6574 Phloroglucinol 39.253033333333335 34.9516 46.8015 Silicon starvation,12h 90.5301 90.5301 90.5301