condition mean min max 12pM Fe,Midday 37.8144 37.8144 37.8144 12pM Fe,Midnight 36.872299999999996 36.7669 36.9777 58pM Fe,Midday 21.4743 21.4743 21.4743 58pM Fe,Midnight 35.81712857142857 0.0 54.2108 233pM Fe,Midnight 34.48693333333333 32.5376 38.0591 1160pM Fe,Midday 14.474514285714285 10.4838 23.2397 1160pM Fe,Midnight 52.952216666666665 44.7163 58.5818 High carbon,Dark 96.35444 32.0578 225.149 High carbon,Light 94.61744307692308 9.17426 169.103 Low carbon,Dark 21.0938 21.0938 21.0938 Phloroglucinol 83.58956666666667 77.4665 89.5937 Silicon starvation,12h 72.4132 72.4132 72.4132