condition mean min max 12pM Fe,Midday 69.8195 69.8195 69.8195 12pM Fe,Midnight 73.72710000000001 67.7204 79.7338 58pM Fe,Midday 56.9115 56.9115 56.9115 58pM Fe,Midnight 73.81431428571429 57.6619 142.234 233pM Fe,Midnight 50.23003333333333 48.6755 51.6185 1160pM Fe,Midday 48.27435714285714 43.8139 51.012 1160pM Fe,Midnight 37.2423 33.2161 40.52 High carbon,Dark 44.49626 23.9776 65.8797 High carbon,Light 36.51030769230769 10.8045 64.2471 Low carbon,Dark 33.9712 33.9712 33.9712 Phloroglucinol 51.5633 39.1751 74.2825 Silicon starvation,12h 46.8961 46.8961 46.8961