condition mean min max 12pM Fe,Midday 8.35016 8.35016 8.35016 12pM Fe,Midnight 10.33575 10.191 10.4805 58pM Fe,Midday 12.739 12.739 12.739 58pM Fe,Midnight 18.321985714285717 11.6432 51.1788 233pM Fe,Midnight 37.202533333333335 36.6454 37.8361 1160pM Fe,Midday 8.56426142857143 6.33451 9.87989 1160pM Fe,Midnight 27.33305083333333 8.18521 54.7403 High carbon,Dark 72.35638666666667 19.596 426.697 High carbon,Light 34.62906615384615 0.78007 100.521 Low carbon,Dark 11.2293 11.2293 11.2293 Phloroglucinol 6.123853333333333 3.2767 9.11164 Silicon starvation,12h 52.015 52.015 52.015