condition mean min max 12pM Fe,Midday 36.5128 36.5128 36.5128 12pM Fe,Midnight 26.61355 26.566 26.6611 58pM Fe,Midday 31.1167 31.1167 31.1167 58pM Fe,Midnight 23.72962857142857 16.4518 55.2333 233pM Fe,Midnight 15.216166666666666 14.6913 15.6109 1160pM Fe,Midday 20.057142857142857 18.5418 21.3377 1160pM Fe,Midnight 23.869591666666665 10.0509 37.1828 High carbon,Dark 15.374452 5.67457 26.1513 High carbon,Light 12.92233 1.2628 23.531 Low carbon,Dark 10.8565 10.8565 10.8565 Phloroglucinol 93.71946666666666 68.8595 123.181 Silicon starvation,12h 17.71 17.71 17.71