condition mean min max 12pM Fe,Midday 73.0679 73.0679 73.0679 12pM Fe,Midnight 68.02575 66.6306 69.4209 58pM Fe,Midday 93.921 93.921 93.921 58pM Fe,Midnight 77.85375714285715 0.0 97.7149 233pM Fe,Midnight 154.98833333333334 146.982 159.359 1160pM Fe,Midday 67.12514285714286 61.6566 75.4766 1160pM Fe,Midnight 184.62741666666665 145.075 223.505 High carbon,Dark 232.4314 109.582 436.16 High carbon,Light 187.8506846153846 40.3239 380.595 Low carbon,Dark 121.176 121.176 121.176 Phloroglucinol 139.40726666666666 94.1008 187.479 Silicon starvation,12h 171.084 171.084 171.084