condition mean min max 12pM Fe,Midday 68.7418 68.7418 68.7418 12pM Fe,Midnight 35.06570000000001 33.4909 36.6405 58pM Fe,Midday 54.4789 54.4789 54.4789 58pM Fe,Midnight 21.68092857142857 17.983 26.5617 233pM Fe,Midnight 12.976733333333334 12.1817 13.6728 1160pM Fe,Midday 56.89221428571429 48.5968 63.6558 1160pM Fe,Midnight 9.255358333333334 6.66307 12.4961 High carbon,Dark 14.244826666666667 5.68441 22.6727 High carbon,Light 12.163053846153845 1.61942 29.8307 Low carbon,Dark 9.47046 9.47046 9.47046 Phloroglucinol 24.0779 22.24 27.4931 Silicon starvation,12h 21.214 21.214 21.214