condition mean min max 12pM Fe,Midday 17.5691 17.5691 17.5691 12pM Fe,Midnight 17.6648 15.226 20.1036 58pM Fe,Midday 12.357 12.357 12.357 58pM Fe,Midnight 22.787542857142856 10.202 80.0715 233pM Fe,Midnight 8.166376666666666 7.85543 8.65696 1160pM Fe,Midday 13.208157142857143 11.4109 15.2713 1160pM Fe,Midnight 6.474663333333333 4.40372 10.1195 High carbon,Dark 8.823093666666667 0.402935 14.9758 High carbon,Light 8.431580461538461 0.965116 19.1407 Low carbon,Dark 4.02616 4.02616 4.02616 Phloroglucinol 12.292766666666667 10.2531 15.1925 Silicon starvation,12h 17.4294 17.4294 17.4294