condition mean min max 12pM Fe,Midday 26.2867 26.2867 26.2867 12pM Fe,Midnight 19.761 18.2248 21.2972 58pM Fe,Midday 17.2957 17.2957 17.2957 58pM Fe,Midnight 18.301585714285714 10.4571 47.9209 233pM Fe,Midnight 6.733723333333334 5.37736 7.68792 1160pM Fe,Midday 10.462495714285714 9.01008 12.3718 1160pM Fe,Midnight 4.874150833333333 3.75952 7.62254 High carbon,Dark 7.723252666666666 2.35021 16.5389 High carbon,Light 5.629359153846154 0.952329 10.3547 Low carbon,Dark 4.60007 4.60007 4.60007 Phloroglucinol 15.618599999999999 10.3055 22.3176 Silicon starvation,12h 8.05341 8.05341 8.05341