condition mean min max 12pM Fe,Midday 30.0123 30.0123 30.0123 12pM Fe,Midnight 29.3301 28.0059 30.6543 58pM Fe,Midday 32.7805 32.7805 32.7805 58pM Fe,Midnight 30.177642857142857 19.7651 71.4441 233pM Fe,Midnight 15.8236 15.3765 16.5213 1160pM Fe,Midday 14.527114285714285 13.2642 15.7564 1160pM Fe,Midnight 12.263816666666667 10.6064 13.4886 High carbon,Dark 13.942271999999999 5.62742 22.5021 High carbon,Light 10.143524615384615 1.40657 20.8236 Low carbon,Dark 10.2328 10.2328 10.2328 Phloroglucinol 13.800486666666666 9.78106 20.0367 Silicon starvation,12h 8.5571 8.5571 8.5571