condition mean min max 12pM Fe,Midday 3.73146 3.73146 3.73146 12pM Fe,Midnight 28.1339 27.9401 28.3277 58pM Fe,Midday 3.96213 3.96213 3.96213 58pM Fe,Midnight 22.816942857142855 0.0 30.4878 233pM Fe,Midnight 22.6922 20.3191 24.5191 1160pM Fe,Midday 4.049498571428572 1.23409 5.37324 1160pM Fe,Midnight 11.237993333333334 4.41493 19.847 High carbon,Dark 15.30219 1.18283 25.7893 High carbon,Light 8.820920769230769 0.0 20.1199 Low carbon,Dark 9.70159 9.70159 9.70159 Phloroglucinol 4.030596666666667 3.74117 4.57605 Silicon starvation,12h 26.7509 26.7509 26.7509