condition mean min max 12pM Fe,Midday 47.4998 47.4998 47.4998 12pM Fe,Midnight 45.05395 40.7199 49.388 58pM Fe,Midday 47.7098 47.7098 47.7098 58pM Fe,Midnight 66.90725714285713 25.6526 228.183 233pM Fe,Midnight 54.720666666666666 54.1151 55.681 1160pM Fe,Midday 64.61927142857142 56.7107 69.3044 1160pM Fe,Midnight 48.0347 21.3913 80.6358 High carbon,Dark 37.62606 13.7791 73.0102 High carbon,Light 54.06660923076923 6.04622 101.759 Low carbon,Dark 27.1192 27.1192 27.1192 Phloroglucinol 44.804566666666666 31.3735 64.1188 Silicon starvation,12h 107.738 107.738 107.738