condition mean min max 12pM Fe,Midday 59.8064 59.8064 59.8064 12pM Fe,Midnight 44.19985 44.127 44.2727 58pM Fe,Midday 48.7485 48.7485 48.7485 58pM Fe,Midnight 39.7783 21.4548 104.731 233pM Fe,Midnight 26.904533333333333 25.1115 28.4477 1160pM Fe,Midday 30.94132857142857 27.3846 35.0769 1160pM Fe,Midnight 16.679125 12.1844 20.7758 High carbon,Dark 42.06038 17.7438 59.2388 High carbon,Light 29.897215384615386 12.4879 55.2506 Low carbon,Dark 36.6232 36.6232 36.6232 Phloroglucinol 18.971833333333333 16.8565 22.9824 Silicon starvation,12h 50.4553 50.4553 50.4553