condition mean min max 12pM Fe,Midday 38.5383 38.5383 38.5383 12pM Fe,Midnight 33.5364 33.4342 33.6386 58pM Fe,Midday 35.9749 35.9749 35.9749 58pM Fe,Midnight 21.828657142857143 0.0 26.3505 233pM Fe,Midnight 17.168366666666667 17.0208 17.3339 1160pM Fe,Midday 26.093285714285713 24.1166 27.3796 1160pM Fe,Midnight 9.731386666666667 7.00534 13.8224 High carbon,Dark 13.477212666666667 6.3955 23.5096 High carbon,Light 12.090822307692308 3.31453 27.274 Low carbon,Dark 10.3269 10.3269 10.3269 Phloroglucinol 29.3322 24.2101 35.8593 Silicon starvation,12h 14.8344 14.8344 14.8344