condition mean min max 12pM Fe,Midday 116.954 116.954 116.954 12pM Fe,Midnight 125.3985 105.286 145.511 58pM Fe,Midday 94.7626 94.7626 94.7626 58pM Fe,Midnight 98.06155714285714 0.0 131.423 233pM Fe,Midnight 62.588033333333335 59.1006 67.6683 1160pM Fe,Midday 47.70287142857143 34.5211 60.0985 1160pM Fe,Midnight 46.97804166666666 25.6978 66.2905 High carbon,Dark 158.52196666666666 16.2947 274.095 High carbon,Light 102.91587692307692 25.0174 279.193 Low carbon,Dark 181.651 181.651 181.651 Phloroglucinol 71.19563333333333 68.8646 72.852 Silicon starvation,12h 46.0182 46.0182 46.0182