condition mean min max 12pM Fe,Midday 56.6764 56.6764 56.6764 12pM Fe,Midnight 32.8547 32.2935 33.4159 58pM Fe,Midday 40.2544 40.2544 40.2544 58pM Fe,Midnight 16.702 0.0 20.6082 233pM Fe,Midnight 18.574066666666667 17.8057 19.6767 1160pM Fe,Midday 35.04011428571429 32.7817 37.61 1160pM Fe,Midnight 5.163739166666667 3.04363 7.75616 High carbon,Dark 17.030420666666668 4.30213 29.3555 High carbon,Light 15.911013076923076 2.68463 34.1716 Low carbon,Dark 16.761 16.761 16.761 Phloroglucinol 15.072233333333333 10.6137 18.1972 Silicon starvation,12h 38.4865 38.4865 38.4865