condition mean min max 12pM Fe,Midday 66.02 66.02 66.02 12pM Fe,Midnight 84.39475 78.3511 90.4384 58pM Fe,Midday 69.7575 69.7575 69.7575 58pM Fe,Midnight 72.15705714285714 0.0 92.147 233pM Fe,Midnight 78.81536666666666 75.9822 80.7794 1160pM Fe,Midday 55.028014285714285 47.2231 62.1728 1160pM Fe,Midnight 74.070675 65.6253 85.993 High carbon,Dark 81.18992 61.4107 112.157 High carbon,Light 71.4552 50.2983 95.0208 Low carbon,Dark 57.4264 57.4264 57.4264 Phloroglucinol 65.48103333333333 56.7162 79.3756 Silicon starvation,12h 142.962 142.962 142.962