condition mean min max 12pM Fe,Midday 33.1363 33.1363 33.1363 12pM Fe,Midnight 34.9893 32.8941 37.0845 58pM Fe,Midday 34.6516 34.6516 34.6516 58pM Fe,Midnight 23.0049 0.0 32.7642 233pM Fe,Midnight 35.14203333333333 32.4255 37.5205 1160pM Fe,Midday 34.777185714285714 27.2423 43.587 1160pM Fe,Midnight 11.440328333333333 1.16081 25.4833 High carbon,Dark 32.27162666666667 16.0102 56.4647 High carbon,Light 32.71806153846154 5.32031 59.0789 Low carbon,Dark 31.8177 31.8177 31.8177 Phloroglucinol 25.2399 20.9494 29.759 Silicon starvation,12h 61.274 61.274 61.274