condition mean min max 12pM Fe,Midday 27.459 27.459 27.459 12pM Fe,Midnight 24.42785 20.9636 27.8921 58pM Fe,Midday 20.0591 20.0591 20.0591 58pM Fe,Midnight 20.6175 0.0 27.5053 233pM Fe,Midnight 11.716866666666666 10.4901 12.3322 1160pM Fe,Midday 9.703784285714287 6.7793 10.8864 1160pM Fe,Midnight 23.456891666666667 13.7145 39.7879 High carbon,Dark 16.168862 2.53027 35.5723 High carbon,Light 5.720485615384615 0.0 12.5238 Low carbon,Dark 4.66951 4.66951 4.66951 Phloroglucinol 27.54436666666667 14.4054 44.8117 Silicon starvation,12h 14.8966 14.8966 14.8966