condition mean min max 12pM Fe,Midday 349.604 349.604 349.604 12pM Fe,Midnight 365.358 339.943 390.773 58pM Fe,Midday 266.59 266.59 266.59 58pM Fe,Midnight 283.60942857142857 239.344 310.403 233pM Fe,Midnight 174.875 170.418 180.616 1160pM Fe,Midday 212.761 163.606 258.571 1160pM Fe,Midnight 207.33166666666668 106.465 277.799 High carbon,Dark 312.47426666666667 127.261 558.623 High carbon,Light 246.25496923076923 69.7616 544.251 Low carbon,Dark 269.413 269.413 269.413 Phloroglucinol 273.95166666666665 241.237 313.873 Silicon starvation,12h 189.426 189.426 189.426