condition mean min max 12pM Fe,Midday 30.1647 30.1647 30.1647 12pM Fe,Midnight 65.2623 62.0149 68.5097 58pM Fe,Midday 16.817 16.817 16.817 58pM Fe,Midnight 54.37218571428571 49.8618 61.9836 233pM Fe,Midnight 36.99463333333333 36.594 37.3161 1160pM Fe,Midday 3.50052 2.46809 4.15262 1160pM Fe,Midnight 326.4159333333333 50.882 502.547 High carbon,Dark 75.66902 29.3154 161.673 High carbon,Light 29.798314615384616 6.20504 68.2088 Low carbon,Dark 17.0 17.0 17.0 Phloroglucinol 267.7823333333333 219.411 351.321 Silicon starvation,12h 8.631 8.631 8.631