condition mean min max 12pM Fe,Midday 118.956 118.956 118.956 12pM Fe,Midnight 112.408 103.157 121.659 58pM Fe,Midday 407.073 407.073 407.073 58pM Fe,Midnight 151.56352857142858 79.2404 253.282 233pM Fe,Midnight 89.13013333333333 84.4751 96.5547 1160pM Fe,Midday 37.8984 28.8551 45.7414 1160pM Fe,Midnight 60.72159166666667 47.1052 76.6001 High carbon,Dark 60.11992 26.041 92.3412 High carbon,Light 37.83375384615385 10.1412 63.9541 Low carbon,Dark 27.7666 27.7666 27.7666 Phloroglucinol 22.882533333333335 20.5913 26.8656 Silicon starvation,12h 61.3251 61.3251 61.3251