condition mean min max 12pM Fe,Midday 44.3511 44.3511 44.3511 12pM Fe,Midnight 30.6098 30.1576 31.062 58pM Fe,Midday 39.9986 39.9986 39.9986 58pM Fe,Midnight 21.07562857142857 0.0 28.0261 233pM Fe,Midnight 19.300633333333334 18.0596 21.6017 1160pM Fe,Midday 32.551314285714284 27.8346 37.3494 1160pM Fe,Midnight 12.25431 9.15872 17.5108 High carbon,Dark 27.856198 9.90177 45.8751 High carbon,Light 36.26034307692308 1.50635 75.9691 Low carbon,Dark 20.0961 20.0961 20.0961 Phloroglucinol 20.1959 16.8353 23.9955 Silicon starvation,12h 59.9317 59.9317 59.9317