condition mean min max 12pM Fe,Midday 31.1392 31.1392 31.1392 12pM Fe,Midnight 23.0828 22.8099 23.3557 58pM Fe,Midday 41.1814 41.1814 41.1814 58pM Fe,Midnight 25.3682 17.5905 59.7278 233pM Fe,Midnight 17.014366666666668 16.4897 17.4977 1160pM Fe,Midday 25.255285714285712 24.3156 27.0429 1160pM Fe,Midnight 22.0688625 8.13146 35.3995 High carbon,Dark 16.09427 4.20786 38.2215 High carbon,Light 14.585433846153846 2.24205 31.8256 Low carbon,Dark 13.6511 13.6511 13.6511 Phloroglucinol 18.286933333333334 18.0934 18.6586 Silicon starvation,12h 13.7659 13.7659 13.7659