condition mean min max 12pM Fe,Midday 12.3781 12.3781 12.3781 12pM Fe,Midnight 16.41265 15.6616 17.1637 58pM Fe,Midday 12.4131 12.4131 12.4131 58pM Fe,Midnight 30.26262857142857 0.0 84.6458 233pM Fe,Midnight 31.2055 29.7828 32.0994 1160pM Fe,Midday 16.085294285714287 8.58206 54.2306 1160pM Fe,Midnight 56.027858333333334 28.3012 110.83 High carbon,Dark 21.602118 6.56211 128.829 High carbon,Light 7.047757692307692 2.94651 13.8238 Low carbon,Dark 2.68187 2.68187 2.68187 Phloroglucinol 2.98882 2.60857 3.51385 Silicon starvation,12h 12.677 12.677 12.677