condition mean min max 12pM Fe,Midday 1.23627 1.23627 1.23627 12pM Fe,Midnight 31.1259 30.9671 31.2847 58pM Fe,Midday 1.36739 1.36739 1.36739 58pM Fe,Midnight 32.18272857142857 23.4651 50.962 233pM Fe,Midnight 74.8253 74.6903 74.9117 1160pM Fe,Midday 0.7040594285714286 0.39574 1.42534 1160pM Fe,Midnight 116.08696666666667 96.2755 148.616 High carbon,Dark 69.26644666666667 17.2691 423.559 High carbon,Light 33.28427153846154 7.84894 85.8061 Low carbon,Dark 17.5778 17.5778 17.5778 Phloroglucinol 23.264433333333333 21.3636 24.2855 Silicon starvation,12h 33.6459 33.6459 33.6459