condition mean min max 12pM Fe,Midday 14.0247 14.0247 14.0247 12pM Fe,Midnight 19.4392 17.2217 21.6567 58pM Fe,Midday 15.042 15.042 15.042 58pM Fe,Midnight 18.051914285714286 0.0 25.7779 233pM Fe,Midnight 32.45066666666667 30.1386 35.8629 1160pM Fe,Midday 4.832248571428571 3.58833 7.55979 1160pM Fe,Midnight 27.490600833333335 5.03386 70.1858 High carbon,Dark 45.237273333333334 12.8671 128.749 High carbon,Light 29.97546476923077 0.298086 119.594 Low carbon,Dark 17.6101 17.6101 17.6101 Phloroglucinol 16.97526 8.86668 22.37 Silicon starvation,12h 37.8427 37.8427 37.8427