condition mean min max 12pM Fe,Midday 1.01545 1.01545 1.01545 12pM Fe,Midnight 43.3894 42.505 44.2738 58pM Fe,Midday 0.449258 0.449258 0.449258 58pM Fe,Midnight 53.8782 0.0 87.1158 233pM Fe,Midnight 64.01073333333333 62.3671 66.8752 1160pM Fe,Midday 5.960244285714285 3.65556 8.60575 1160pM Fe,Midnight 41.22631666666667 36.6514 48.1105 High carbon,Dark 23.170295333333332 1.20706 59.0762 High carbon,Light 22.160447076923077 0.896712 94.4483 Low carbon,Dark 19.8008 19.8008 19.8008 Phloroglucinol 3.930763333333333 1.74984 7.95599 Silicon starvation,12h 28.3102 28.3102 28.3102