condition mean min max 12pM Fe,Midday 22.2252 22.2252 22.2252 12pM Fe,Midnight 20.410800000000002 19.5916 21.23 58pM Fe,Midday 16.461 16.461 16.461 58pM Fe,Midnight 25.968542857142857 19.4006 58.524 233pM Fe,Midnight 13.202233333333334 11.8834 14.4563 1160pM Fe,Midday 14.788214285714286 12.1619 16.858 1160pM Fe,Midnight 8.035821666666667 3.42574 16.4479 High carbon,Dark 11.142354 6.15094 17.4541 High carbon,Light 7.912524615384616 2.67608 12.4737 Low carbon,Dark 7.49053 7.49053 7.49053 Phloroglucinol 9.191736666666667 6.62269 12.0014 Silicon starvation,12h 12.1771 12.1771 12.1771