condition mean min max 12pM Fe,Midday 111.37 111.37 111.37 12pM Fe,Midnight 100.7716 95.9132 105.63 58pM Fe,Midday 83.0784 83.0784 83.0784 58pM Fe,Midnight 68.6341 0.0 85.1473 233pM Fe,Midnight 43.392466666666664 41.1273 45.0291 1160pM Fe,Midday 63.91262857142857 58.3172 66.8297 1160pM Fe,Midnight 49.07726666666667 40.1671 55.0425 High carbon,Dark 46.92672666666667 15.7415 76.3176 High carbon,Light 32.51195153846154 1.97321 78.3681 Low carbon,Dark 38.9489 38.9489 38.9489 Phloroglucinol 42.91283333333333 35.2672 56.2985 Silicon starvation,12h 31.8715 31.8715 31.8715