condition mean min max 12pM Fe,Midday 37.704 37.704 37.704 12pM Fe,Midnight 70.82915 66.3339 75.3244 58pM Fe,Midday 47.9112 47.9112 47.9112 58pM Fe,Midnight 47.565485714285714 0.0 65.0372 233pM Fe,Midnight 39.905 37.7828 43.7978 1160pM Fe,Midday 33.862228571428574 22.4327 44.8766 1160pM Fe,Midnight 29.158491666666666 17.0589 39.9652 High carbon,Dark 13.890524666666666 1.41975 36.7195 High carbon,Light 9.2725 0.0 25.419 Low carbon,Dark 15.2017 15.2017 15.2017 Phloroglucinol 101.82023333333333 83.3407 112.802 Silicon starvation,12h 5.80667 5.80667 5.80667