condition mean min max 12pM Fe,Midday 99.9621 99.9621 99.9621 12pM Fe,Midnight 44.113299999999995 42.6489 45.5777 58pM Fe,Midday 74.0873 74.0873 74.0873 58pM Fe,Midnight 31.759785714285716 0.0 45.526 233pM Fe,Midnight 36.1717 29.659 39.906 1160pM Fe,Midday 72.61725714285714 59.1025 81.2961 1160pM Fe,Midnight 80.284025 16.5805 129.058 High carbon,Dark 124.59348 13.4263 1094.14 High carbon,Light 76.24543769230769 9.05369 189.223 Low carbon,Dark 36.0966 36.0966 36.0966 Phloroglucinol 124.214 118.853 127.476 Silicon starvation,12h 156.043 156.043 156.043