condition mean min max 12pM Fe,Midday 372.56 372.56 372.56 12pM Fe,Midnight 4398.46 4074.45 4722.47 58pM Fe,Midday 149.279 149.279 149.279 58pM Fe,Midnight 5825.082857142857 2498.87 8115.64 233pM Fe,Midnight 5663.343333333333 5594.77 5743.56 1160pM Fe,Midday 809.4545714285714 613.59 1199.46 1160pM Fe,Midnight 6652.974166666667 5043.64 9271.31 High carbon,Dark 3196.325533333333 211.683 8395.23 High carbon,Light 4533.115692307692 231.746 12388.1 Low carbon,Dark 2821.37 2821.37 2821.37 Phloroglucinol 294.75033333333334 282.56 303.933 Silicon starvation,12h 2939.65 2939.65 2939.65