condition mean min max 12pM Fe,Midday 41.152 41.152 41.152 12pM Fe,Midnight 47.6185 44.4162 50.8208 58pM Fe,Midday 36.0339 36.0339 36.0339 58pM Fe,Midnight 40.810457142857146 0.0 53.5462 233pM Fe,Midnight 46.06966666666667 41.5277 48.6284 1160pM Fe,Midday 33.27401428571429 27.1453 38.429 1160pM Fe,Midnight 42.5657 31.1108 49.5554 High carbon,Dark 50.45634666666667 22.6208 76.5698 High carbon,Light 47.49616923076923 26.7107 67.2015 Low carbon,Dark 54.3322 54.3322 54.3322 Phloroglucinol 45.29416666666667 35.2315 52.5692 Silicon starvation,12h 94.6324 94.6324 94.6324