condition mean min max 12pM Fe,Midday 75.1094 75.1094 75.1094 12pM Fe,Midnight 75.63220000000001 66.2475 85.0169 58pM Fe,Midday 31.2039 31.2039 31.2039 58pM Fe,Midnight 46.699371428571425 0.0 65.4844 233pM Fe,Midnight 35.11423333333333 33.0584 37.5062 1160pM Fe,Midday 43.56525714285714 36.5414 48.7293 1160pM Fe,Midnight 33.196733333333334 24.524 41.6882 High carbon,Dark 21.066842 9.71213 31.1689 High carbon,Light 19.62612230769231 8.03069 29.7622 Low carbon,Dark 22.3262 22.3262 22.3262 Phloroglucinol 30.211733333333335 14.7797 42.1233 Silicon starvation,12h 27.3607 27.3607 27.3607