condition mean min max 12pM Fe,Midday 22.5145 22.5145 22.5145 12pM Fe,Midnight 23.60645 23.3983 23.8146 58pM Fe,Midday 21.317 21.317 21.317 58pM Fe,Midnight 21.844614285714286 17.3586 39.1055 233pM Fe,Midnight 13.043233333333333 12.1313 13.5646 1160pM Fe,Midday 11.945285714285715 10.8826 12.852 1160pM Fe,Midnight 10.010851666666667 9.23511 10.4382 High carbon,Dark 8.06209 1.74352 13.0032 High carbon,Light 4.989755 0.102877 8.27474 Low carbon,Dark 5.42224 5.42224 5.42224 Phloroglucinol 9.099463333333333 8.15672 10.5481 Silicon starvation,12h 4.12049 4.12049 4.12049