condition mean min max 12pM Fe,Midday 55.8278 55.8278 55.8278 12pM Fe,Midnight 20.5781 18.247 22.9092 58pM Fe,Midday 44.6944 44.6944 44.6944 58pM Fe,Midnight 11.821028571428572 0.0 15.7959 233pM Fe,Midnight 12.531933333333333 11.5358 14.1396 1160pM Fe,Midday 39.870914285714285 34.1184 44.2363 1160pM Fe,Midnight 5.488964166666666 2.39886 11.1199 High carbon,Dark 13.519852 2.5281 31.5162 High carbon,Light 15.610996923076923 0.62603 44.403 Low carbon,Dark 16.4157 16.4157 16.4157 Phloroglucinol 8.539436666666667 6.52038 12.1013 Silicon starvation,12h 43.26 43.26 43.26