condition mean min max 12pM Fe,Midday 125.38 125.38 125.38 12pM Fe,Midnight 68.39125 68.3666 68.4159 58pM Fe,Midday 100.547 100.547 100.547 58pM Fe,Midnight 41.59894285714286 0.0 52.1749 233pM Fe,Midnight 47.160266666666665 43.5484 50.9764 1160pM Fe,Midday 66.65562857142857 60.7912 72.5836 1160pM Fe,Midnight 27.386225 24.0119 31.7684 High carbon,Dark 49.805412 8.20498 81.3461 High carbon,Light 55.91326230769231 5.53281 90.4125 Low carbon,Dark 60.7395 60.7395 60.7395 Phloroglucinol 22.800633333333334 19.5412 27.7947 Silicon starvation,12h 86.7713 86.7713 86.7713