condition mean min max 12pM Fe,Midday 25.3374 25.3374 25.3374 12pM Fe,Midnight 21.73205 21.3461 22.118 58pM Fe,Midday 16.2373 16.2373 16.2373 58pM Fe,Midnight 13.920428571428571 0.0 17.37 233pM Fe,Midnight 17.840966666666667 17.4529 18.2767 1160pM Fe,Midday 17.011657142857143 15.1007 19.2539 1160pM Fe,Midnight 7.6526250000000005 6.03459 10.044 High carbon,Dark 11.567252666666667 4.86766 18.1423 High carbon,Light 9.678125384615385 2.80249 19.8017 Low carbon,Dark 9.60689 9.60689 9.60689 Phloroglucinol 6.449896666666667 3.99333 8.99737 Silicon starvation,12h 16.5568 16.5568 16.5568