condition mean min max 12pM Fe,Midday 12.9847 12.9847 12.9847 12pM Fe,Midnight 4.80033 3.26225 6.33841 58pM Fe,Midday 8.67572 8.67572 8.67572 58pM Fe,Midnight 70.37057142857142 0.0 107.592 233pM Fe,Midnight 6.520253333333334 5.58514 7.09629 1160pM Fe,Midday 51.53339285714286 4.88834 114.007 1160pM Fe,Midnight 1130.199375 3.786 1802.11 High carbon,Dark 1.1262756666666667 0.0 4.5978 High carbon,Light 0.719841076923077 0.0 1.94125 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.34324533333333335 0.166052 0.502603 Silicon starvation,12h 1.20619 1.20619 1.20619