condition mean min max 12pM Fe,Midday 11.9453 11.9453 11.9453 12pM Fe,Midnight 9.74336 8.61572 10.871 58pM Fe,Midday 11.0812 11.0812 11.0812 58pM Fe,Midnight 6.391064285714286 0.0 9.59413 233pM Fe,Midnight 11.357966666666668 10.0789 13.1377 1160pM Fe,Midday 9.95245 9.26609 12.5125 1160pM Fe,Midnight 45.42133 4.84685 72.4913 High carbon,Dark 9.977580666666666 4.37336 18.1202 High carbon,Light 14.190227692307692 3.13181 37.5434 Low carbon,Dark 5.32229 5.32229 5.32229 Phloroglucinol 6.1751000000000005 5.55358 7.06484 Silicon starvation,12h 31.0228 31.0228 31.0228