condition mean min max 12pM Fe,Midday 39.2395 39.2395 39.2395 12pM Fe,Midnight 37.0573 36.8049 37.3097 58pM Fe,Midday 31.7448 31.7448 31.7448 58pM Fe,Midnight 30.640557142857144 0.0 45.4196 233pM Fe,Midnight 35.74883333333334 33.5138 37.5291 1160pM Fe,Midday 33.87952857142857 27.329 42.2045 1160pM Fe,Midnight 26.18316666666667 10.7935 42.363 High carbon,Dark 38.536395999999996 9.46594 110.169 High carbon,Light 32.42964 1.32005 73.2916 Low carbon,Dark 45.5448 45.5448 45.5448 Phloroglucinol 106.586 103.116 109.155 Silicon starvation,12h 36.3596 36.3596 36.3596