condition mean min max 12pM Fe,Midday 427.553 427.553 427.553 12pM Fe,Midnight 302.966 268.133 337.799 58pM Fe,Midday 292.763 292.763 292.763 58pM Fe,Midnight 263.858 169.134 537.065 233pM Fe,Midnight 214.91333333333333 197.059 240.689 1160pM Fe,Midday 310.83457142857145 273.718 331.022 1160pM Fe,Midnight 140.49116666666666 100.584 179.173 High carbon,Dark 167.78646666666666 107.765 270.118 High carbon,Light 252.15753846153845 120.961 453.534 Low carbon,Dark 255.317 255.317 255.317 Phloroglucinol 509.823 483.763 544.436 Silicon starvation,12h 234.668 234.668 234.668