condition mean min max 12pM Fe,Midday 35.4901 35.4901 35.4901 12pM Fe,Midnight 23.68625 22.6142 24.7583 58pM Fe,Midday 27.6973 27.6973 27.6973 58pM Fe,Midnight 16.0147 0.0 21.079 233pM Fe,Midnight 18.614833333333333 17.2175 19.8196 1160pM Fe,Midday 20.610742857142856 17.3146 23.5752 1160pM Fe,Midnight 11.096916666666667 10.0414 13.5994 High carbon,Dark 23.753835333333335 5.24063 39.6574 High carbon,Light 25.740053846153845 12.9773 34.5573 Low carbon,Dark 22.2083 22.2083 22.2083 Phloroglucinol 41.28856666666667 33.1685 48.3457 Silicon starvation,12h 25.2096 25.2096 25.2096