condition mean min max 12pM Fe,Midday 25.1814 25.1814 25.1814 12pM Fe,Midnight 29.6652 29.6584 29.672 58pM Fe,Midday 27.2929 27.2929 27.2929 58pM Fe,Midnight 30.996814285714283 22.4499 71.9009 233pM Fe,Midnight 26.066833333333335 25.4213 26.8941 1160pM Fe,Midday 12.266357142857142 10.7028 13.9073 1160pM Fe,Midnight 25.454741666666667 20.9155 29.6577 High carbon,Dark 20.528475333333333 6.09083 30.3884 High carbon,Light 16.790903692307694 0.851188 28.8158 Low carbon,Dark 12.325 12.325 12.325 Phloroglucinol 10.751386666666667 9.71836 12.3331 Silicon starvation,12h 27.0438 27.0438 27.0438