condition mean min max 12pM Fe,Midday 27.216 27.216 27.216 12pM Fe,Midnight 24.87075 24.5776 25.1639 58pM Fe,Midday 20.2411 20.2411 20.2411 58pM Fe,Midnight 21.615642857142856 19.5031 24.4935 233pM Fe,Midnight 18.425633333333334 17.6788 18.8904 1160pM Fe,Midday 17.45584285714286 16.1147 18.5148 1160pM Fe,Midnight 8.3045875 5.46947 13.7771 High carbon,Dark 14.749162666666667 5.2418 24.0166 High carbon,Light 10.280183076923077 1.86666 15.1578 Low carbon,Dark 12.0919 12.0919 12.0919 Phloroglucinol 14.283133333333334 10.9234 19.2934 Silicon starvation,12h 22.1495 22.1495 22.1495