condition mean min max 12pM Fe,Midday 14.3544 14.3544 14.3544 12pM Fe,Midnight 12.81025 12.5752 13.0453 58pM Fe,Midday 13.3227 13.3227 13.3227 58pM Fe,Midnight 11.874 0.0 15.5886 233pM Fe,Midnight 4.421513333333333 4.24807 4.66407 1160pM Fe,Midday 8.386074285714285 7.60718 9.41732 1160pM Fe,Midnight 6.668258333333333 5.43075 8.17685 High carbon,Dark 12.394442933333334 0.989164 26.9155 High carbon,Light 8.374623846153845 1.42267 19.4306 Low carbon,Dark 12.4233 12.4233 12.4233 Phloroglucinol 9.844613333333333 9.12445 11.2679 Silicon starvation,12h 10.4753 10.4753 10.4753