condition mean min max 12pM Fe,Midday 19.6802 19.6802 19.6802 12pM Fe,Midnight 19.5694 16.0482 23.0906 58pM Fe,Midday 11.1628 11.1628 11.1628 58pM Fe,Midnight 15.950185714285714 0.0 25.351 233pM Fe,Midnight 6.20936 5.34247 7.02935 1160pM Fe,Midday 13.496585714285715 10.496 17.1063 1160pM Fe,Midnight 17.1642775 3.29265 29.8853 High carbon,Dark 18.4888 1.76223 36.2711 High carbon,Light 17.248014615384616 1.18831 34.0094 Low carbon,Dark 21.3198 21.3198 21.3198 Phloroglucinol 30.9746 28.4588 33.1793 Silicon starvation,12h 12.633 12.633 12.633