condition mean min max 12pM Fe,Midday 1.62472 1.62472 1.62472 12pM Fe,Midnight 35.2424 35.0023 35.4825 58pM Fe,Midday 10.7822 10.7822 10.7822 58pM Fe,Midnight 66.19755714285714 23.1332 288.782 233pM Fe,Midnight 46.37403333333333 44.0143 50.3578 1160pM Fe,Midday 2.744802857142857 1.3718 6.49878 1160pM Fe,Midnight 19.248045 2.56589 42.7599 High carbon,Dark 32.20192 11.9562 53.5003 High carbon,Light 13.376897692307692 3.4187 23.1073 Low carbon,Dark 31.6812 31.6812 31.6812 Phloroglucinol 8.597903333333333 5.59949 10.7854 Silicon starvation,12h 32.3545 32.3545 32.3545