condition mean min max 12pM Fe,Midday 17.9717 17.9717 17.9717 12pM Fe,Midnight 7.05492 6.88311 7.22673 58pM Fe,Midday 5.72478 5.72478 5.72478 58pM Fe,Midnight 3.68005 0.0 7.22283 233pM Fe,Midnight 5.646426666666667 5.05039 6.06895 1160pM Fe,Midday 18.406757142857142 14.7605 23.5766 1160pM Fe,Midnight 2.39469475 0.378432 5.33917 High carbon,Dark 4.1048078666666665 0.0 14.4009 High carbon,Light 17.336448846153846 0.282137 43.4488 Low carbon,Dark 4.28315 4.28315 4.28315 Phloroglucinol 4.361913333333334 1.80184 6.05975 Silicon starvation,12h 15.2698 15.2698 15.2698