condition mean min max 12pM Fe,Midday 22.0892 22.0892 22.0892 12pM Fe,Midnight 29.986649999999997 28.755 31.2183 58pM Fe,Midday 22.6892 22.6892 22.6892 58pM Fe,Midnight 35.8373 19.5036 109.824 233pM Fe,Midnight 18.830233333333332 18.1921 20.0094 1160pM Fe,Midday 19.440985714285713 15.1996 22.3104 1160pM Fe,Midnight 11.693155833333334 9.14819 14.1108 High carbon,Dark 13.426654666666666 4.97388 22.1103 High carbon,Light 9.212067692307691 0.0 15.3997 Low carbon,Dark 10.2913 10.2913 10.2913 Phloroglucinol 17.1978 13.7699 22.6267 Silicon starvation,12h 13.1833 13.1833 13.1833