condition mean min max 12pM Fe,Midday 19.4129 19.4129 19.4129 12pM Fe,Midnight 37.9214 27.6265 48.2163 58pM Fe,Midday 18.9855 18.9855 18.9855 58pM Fe,Midnight 30.997285714285713 0.0 41.8531 233pM Fe,Midnight 83.09609999999999 72.457 95.1271 1160pM Fe,Midday 31.220142857142857 24.9076 50.1486 1160pM Fe,Midnight 17.277671666666667 1.96859 40.103 High carbon,Dark 29.753232666666666 4.85812 83.5698 High carbon,Light 18.211836923076923 4.81204 41.7349 Low carbon,Dark 34.8657 34.8657 34.8657 Phloroglucinol 26.5207 25.9298 27.1481 Silicon starvation,12h 46.7972 46.7972 46.7972