condition mean min max 12pM Fe,Midday 306.23 306.23 306.23 12pM Fe,Midnight 273.0615 257.669 288.454 58pM Fe,Midday 177.36 177.36 177.36 58pM Fe,Midnight 179.24328571428572 0.0 253.244 233pM Fe,Midnight 105.52016666666667 95.1865 117.35 1160pM Fe,Midday 92.55532857142857 76.8392 115.177 1160pM Fe,Midnight 159.75774166666667 88.8064 217.631 High carbon,Dark 424.1535333333333 163.256 1275.16 High carbon,Light 440.16338461538464 75.421 1195.92 Low carbon,Dark 171.903 171.903 171.903 Phloroglucinol 243.681 181.425 324.332 Silicon starvation,12h 684.27 684.27 684.27