condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.04733014285714286 0.0 0.331311 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.030189416666666666 0.0 0.362273 High carbon,Dark 0.5094682666666667 0.0 4.07645 High carbon,Light 0.23029138461538462 0.0 1.00945 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.18067433333333335 0.0 0.542023 Silicon starvation,12h 0.0 0.0 0.0