condition mean min max 12pM Fe,Midday 48.669 48.669 48.669 12pM Fe,Midnight 43.60155 41.8984 45.3047 58pM Fe,Midday 44.5703 44.5703 44.5703 58pM Fe,Midnight 64.90291428571429 25.2778 241.974 233pM Fe,Midnight 18.022666666666666 14.8368 19.6209 1160pM Fe,Midday 28.346128571428572 23.7609 33.8579 1160pM Fe,Midnight 13.53595 10.2409 20.7268 High carbon,Dark 19.368926000000002 5.70022 43.2058 High carbon,Light 15.58753923076923 2.00364 56.9645 Low carbon,Dark 24.887 24.887 24.887 Phloroglucinol 16.741 8.5307 23.1876 Silicon starvation,12h 9.68221 9.68221 9.68221