condition mean min max 12pM Fe,Midday 25.8692 25.8692 25.8692 12pM Fe,Midnight 6.0117 5.97843 6.04497 58pM Fe,Midday 18.0579 18.0579 18.0579 58pM Fe,Midnight 5.8012057142857145 0.0 8.16863 233pM Fe,Midnight 4.558043333333334 4.00905 5.36894 1160pM Fe,Midday 15.652085714285715 13.3087 17.0035 1160pM Fe,Midnight 4.3628425 2.96534 6.66848 High carbon,Dark 5.356672666666666 2.25849 9.08529 High carbon,Light 5.644299461538462 0.806423 14.7976 Low carbon,Dark 2.33536 2.33536 2.33536 Phloroglucinol 3.4689 1.2608 5.8749 Silicon starvation,12h 6.62344 6.62344 6.62344