condition mean min max 12pM Fe,Midday 16.6214 16.6214 16.6214 12pM Fe,Midnight 17.0627 15.6875 18.4379 58pM Fe,Midday 13.3347 13.3347 13.3347 58pM Fe,Midnight 15.154557142857142 0.0 22.4457 233pM Fe,Midnight 21.8093 20.8818 23.1535 1160pM Fe,Midday 7.469358571428572 5.92543 8.4289 1160pM Fe,Midnight 15.761386666666667 7.03825 30.8552 High carbon,Dark 33.69604 14.3178 55.1246 High carbon,Light 27.012116923076924 1.80121 65.2348 Low carbon,Dark 19.0864 19.0864 19.0864 Phloroglucinol 16.840026666666667 8.26658 22.9503 Silicon starvation,12h 23.4535 23.4535 23.4535