condition mean min max 12pM Fe,Midday 27.6636 27.6636 27.6636 12pM Fe,Midnight 23.14855 21.5933 24.7038 58pM Fe,Midday 25.0101 25.0101 25.0101 58pM Fe,Midnight 31.65192857142857 17.2574 106.892 233pM Fe,Midnight 26.401133333333334 24.2316 29.1298 1160pM Fe,Midday 13.705457142857142 12.4491 17.025 1160pM Fe,Midnight 27.901716666666665 19.5812 36.5251 High carbon,Dark 32.44358 17.7625 53.9107 High carbon,Light 29.027911538461538 2.53084 49.1697 Low carbon,Dark 14.6583 14.6583 14.6583 Phloroglucinol 11.194346666666666 6.27339 18.6423 Silicon starvation,12h 29.4264 29.4264 29.4264