condition mean min max 12pM Fe,Midday 21.2833 21.2833 21.2833 12pM Fe,Midnight 13.47655 12.9462 14.0069 58pM Fe,Midday 15.2791 15.2791 15.2791 58pM Fe,Midnight 9.520335714285714 0.0 13.2557 233pM Fe,Midnight 7.774513333333334 6.25215 10.2062 1160pM Fe,Midday 8.134534285714286 5.82039 9.95882 1160pM Fe,Midnight 3.48116 2.37562 4.90677 High carbon,Dark 8.526308266666666 0.636464 21.0388 High carbon,Light 7.428098461538462 0.0 17.0622 Low carbon,Dark 6.52538 6.52538 6.52538 Phloroglucinol 4.0311900000000005 2.73591 5.3315 Silicon starvation,12h 19.8779 19.8779 19.8779