condition mean min max 12pM Fe,Midday 300.629 300.629 300.629 12pM Fe,Midnight 48.863 42.4289 55.2971 58pM Fe,Midday 178.526 178.526 178.526 58pM Fe,Midnight 30.241714285714284 21.6869 52.9319 233pM Fe,Midnight 39.106033333333336 37.3703 40.2577 1160pM Fe,Midday 105.14562857142857 94.3705 119.686 1160pM Fe,Midnight 19.671469166666668 7.38974 27.1604 High carbon,Dark 97.05116 29.7068 394.586 High carbon,Light 92.94463846153846 39.4445 300.486 Low carbon,Dark 35.0837 35.0837 35.0837 Phloroglucinol 199.98133333333334 187.822 220.187 Silicon starvation,12h 52.0177 52.0177 52.0177