condition mean min max 12pM Fe,Midday 21.5521 21.5521 21.5521 12pM Fe,Midnight 19.74215 19.1758 20.3085 58pM Fe,Midday 23.0256 23.0256 23.0256 58pM Fe,Midnight 15.906214285714286 12.7331 28.3758 233pM Fe,Midnight 6.367843333333333 5.91341 7.12537 1160pM Fe,Midday 13.419371428571429 11.345 15.2317 1160pM Fe,Midnight 4.463355833333333 2.53504 6.38432 High carbon,Dark 10.675855 0.885595 26.3788 High carbon,Light 7.449905384615385 1.50376 19.9706 Low carbon,Dark 11.9332 11.9332 11.9332 Phloroglucinol 11.486056666666666 9.38657 12.6169 Silicon starvation,12h 6.63082 6.63082 6.63082