condition mean min max 12pM Fe,Midday 22.4767 22.4767 22.4767 12pM Fe,Midnight 26.5471 25.8872 27.207 58pM Fe,Midday 22.5372 22.5372 22.5372 58pM Fe,Midnight 19.047028571428573 17.1533 20.6996 233pM Fe,Midnight 14.202833333333334 13.4745 15.268 1160pM Fe,Midday 16.688257142857143 15.5446 17.5504 1160pM Fe,Midnight 8.318986666666667 5.49159 12.6366 High carbon,Dark 11.633700000000001 3.24613 21.6749 High carbon,Light 7.215969230769231 0.51568 12.2429 Low carbon,Dark 10.2403 10.2403 10.2403 Phloroglucinol 3.9818599999999997 3.65276 4.24979 Silicon starvation,12h 9.89022 9.89022 9.89022