condition mean min max 12pM Fe,Midday 47.5104 47.5104 47.5104 12pM Fe,Midnight 40.36965 39.8308 40.9085 58pM Fe,Midday 51.9842 51.9842 51.9842 58pM Fe,Midnight 57.303985714285716 26.0595 181.605 233pM Fe,Midnight 23.422466666666665 23.2897 23.5432 1160pM Fe,Midday 44.55155714285714 40.0512 52.9843 1160pM Fe,Midnight 23.007283333333334 16.6895 35.9414 High carbon,Dark 20.081406666666666 8.02812 41.294 High carbon,Light 22.02275076923077 7.16636 43.4159 Low carbon,Dark 14.1123 14.1123 14.1123 Phloroglucinol 7.097523333333333 5.22079 8.64327 Silicon starvation,12h 38.6586 38.6586 38.6586